Home / 906,684.22-1,251,184.78-498,760.20

Finding the Fourth Proportional to 906,684.22, 1,251,184.78 and 498,760.20

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Solution

The fourth proportional to 906,684.22, 1,251,184.78 and 498,760.20 is: 688,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,684.22 : 1,251,184.78 = 498,760.20 : x
  2. Step 2: Convert to fraction form
    906,684.22/1,251,184.78 = 498,760.20/x
  3. Step 3: Cross multiply
    906,684.22x = 1,251,184.78 × 498,760.20
  4. Step 4: Simplify right side
    906,684.22x = 624,041,168,927.68
  5. Step 5: Solve for x
    x = 624,041,168,927.68/906,684.22
  6. Step 6: Final answer
    x = 688,267.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 906,685.22, 1,251,186.16 and 498,761.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.