Home / 727,717.28-1,086,459.18-556,040.52

Finding the Fourth Proportional to 727,717.28, 1,086,459.18 and 556,040.52

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Solution

The fourth proportional to 727,717.28, 1,086,459.18 and 556,040.52 is: 830,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,717.28 : 1,086,459.18 = 556,040.52 : x
  2. Step 2: Convert to fraction form
    727,717.28/1,086,459.18 = 556,040.52/x
  3. Step 3: Cross multiply
    727,717.28x = 1,086,459.18 × 556,040.52
  4. Step 4: Simplify right side
    727,717.28x = 604,115,327,405.97
  5. Step 5: Solve for x
    x = 604,115,327,405.97/727,717.28
  6. Step 6: Final answer
    x = 830,151.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.