Home / 906,069.16-1,250,390.86-498,187.72

Finding the Fourth Proportional to 906,069.16, 1,250,390.86 and 498,187.72

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Solution

The fourth proportional to 906,069.16, 1,250,390.86 and 498,187.72 is: 687,507.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,069.16 : 1,250,390.86 = 498,187.72 : x
  2. Step 2: Convert to fraction form
    906,069.16/1,250,390.86 = 498,187.72/x
  3. Step 3: Cross multiply
    906,069.16x = 1,250,390.86 × 498,187.72
  4. Step 4: Simplify right side
    906,069.16x = 622,929,371,652.24
  5. Step 5: Solve for x
    x = 622,929,371,652.24/906,069.16
  6. Step 6: Final answer
    x = 687,507.53

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Double scale
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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.