Home / 906,544.38-1,251,005.13-498,646.20

Finding the Fourth Proportional to 906,544.38, 1,251,005.13 and 498,646.20

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Solution

The fourth proportional to 906,544.38, 1,251,005.13 and 498,646.20 is: 688,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,544.38 : 1,251,005.13 = 498,646.20 : x
  2. Step 2: Convert to fraction form
    906,544.38/1,251,005.13 = 498,646.20/x
  3. Step 3: Cross multiply
    906,544.38x = 1,251,005.13 × 498,646.20
  4. Step 4: Simplify right side
    906,544.38x = 623,808,954,255.01
  5. Step 5: Solve for x
    x = 623,808,954,255.01/906,544.38
  6. Step 6: Final answer
    x = 688,117.39

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Half scale
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Double scale
Find fourth proportional to 906,545.38, 1,251,006.51 and 498,647.20
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.