Home / 581,263.76-802,535.42-519,819.30

Finding the Fourth Proportional to 581,263.76, 802,535.42 and 519,819.30

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Solution

The fourth proportional to 581,263.76, 802,535.42 and 519,819.30 is: 717,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,263.76 : 802,535.42 = 519,819.30 : x
  2. Step 2: Convert to fraction form
    581,263.76/802,535.42 = 519,819.30/x
  3. Step 3: Cross multiply
    581,263.76x = 802,535.42 × 519,819.30
  4. Step 4: Simplify right side
    581,263.76x = 417,173,400,249.61
  5. Step 5: Solve for x
    x = 417,173,400,249.61/581,263.76
  6. Step 6: Final answer
    x = 717,700.69

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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.