Home / 530,024.04-731,452.68-303,713.28

Finding the Fourth Proportional to 530,024.04, 731,452.68 and 303,713.28

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Solution

The fourth proportional to 530,024.04, 731,452.68 and 303,713.28 is: 419,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,024.04 : 731,452.68 = 303,713.28 : x
  2. Step 2: Convert to fraction form
    530,024.04/731,452.68 = 303,713.28/x
  3. Step 3: Cross multiply
    530,024.04x = 731,452.68 × 303,713.28
  4. Step 4: Simplify right side
    530,024.04x = 222,151,892,607.59
  5. Step 5: Solve for x
    x = 222,151,892,607.59/530,024.04
  6. Step 6: Final answer
    x = 419,135.50

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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.