Home / 637,705.13-955,901.60-282,886.25

Finding the Fourth Proportional to 637,705.13, 955,901.60 and 282,886.25

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Solution

The fourth proportional to 637,705.13, 955,901.60 and 282,886.25 is: 424,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,705.13 : 955,901.60 = 282,886.25 : x
  2. Step 2: Convert to fraction form
    637,705.13/955,901.60 = 282,886.25/x
  3. Step 3: Cross multiply
    637,705.13x = 955,901.60 × 282,886.25
  4. Step 4: Simplify right side
    637,705.13x = 270,411,417,578.57
  5. Step 5: Solve for x
    x = 270,411,417,578.57/637,705.13
  6. Step 6: Final answer
    x = 424,038.33

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.