Home / 903,508.03-1,246,829.31-516,319.04

Finding the Fourth Proportional to 903,508.03, 1,246,829.31 and 516,319.04

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Solution

The fourth proportional to 903,508.03, 1,246,829.31 and 516,319.04 is: 712,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,508.03 : 1,246,829.31 = 516,319.04 : x
  2. Step 2: Convert to fraction form
    903,508.03/1,246,829.31 = 516,319.04/x
  3. Step 3: Cross multiply
    903,508.03x = 1,246,829.31 × 516,319.04
  4. Step 4: Simplify right side
    903,508.03x = 643,761,712,383.06
  5. Step 5: Solve for x
    x = 643,761,712,383.06/903,508.03
  6. Step 6: Final answer
    x = 712,513.55

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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.