Home / 788,462.56-1,087,697.82-516,410.74

Finding the Fourth Proportional to 788,462.56, 1,087,697.82 and 516,410.74

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Solution

The fourth proportional to 788,462.56, 1,087,697.82 and 516,410.74 is: 712,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,462.56 : 1,087,697.82 = 516,410.74 : x
  2. Step 2: Convert to fraction form
    788,462.56/1,087,697.82 = 516,410.74/x
  3. Step 3: Cross multiply
    788,462.56x = 1,087,697.82 × 516,410.74
  4. Step 4: Simplify right side
    788,462.56x = 561,698,836,122.59
  5. Step 5: Solve for x
    x = 561,698,836,122.59/788,462.56
  6. Step 6: Final answer
    x = 712,397.60

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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.