Home / 903,263.43-1,246,640.10-516,160.34

Finding the Fourth Proportional to 903,263.43, 1,246,640.10 and 516,160.34

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Solution

The fourth proportional to 903,263.43, 1,246,640.10 and 516,160.34 is: 712,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,263.43 : 1,246,640.10 = 516,160.34 : x
  2. Step 2: Convert to fraction form
    903,263.43/1,246,640.10 = 516,160.34/x
  3. Step 3: Cross multiply
    903,263.43x = 1,246,640.10 × 516,160.34
  4. Step 4: Simplify right side
    903,263.43x = 643,466,174,379.73
  5. Step 5: Solve for x
    x = 643,466,174,379.73/903,263.43
  6. Step 6: Final answer
    x = 712,379.30

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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.