Home / 935,663.13-1,291,211.28-505,943.15

Finding the Fourth Proportional to 935,663.13, 1,291,211.28 and 505,943.15

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Solution

The fourth proportional to 935,663.13, 1,291,211.28 and 505,943.15 is: 698,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,663.13 : 1,291,211.28 = 505,943.15 : x
  2. Step 2: Convert to fraction form
    935,663.13/1,291,211.28 = 505,943.15/x
  3. Step 3: Cross multiply
    935,663.13x = 1,291,211.28 × 505,943.15
  4. Step 4: Simplify right side
    935,663.13x = 653,279,495,862.68
  5. Step 5: Solve for x
    x = 653,279,495,862.68/935,663.13
  6. Step 6: Final answer
    x = 698,199.46

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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.