Home / 530,050.14-731,227.86-315,068.04

Finding the Fourth Proportional to 530,050.14, 731,227.86 and 315,068.04

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Solution

The fourth proportional to 530,050.14, 731,227.86 and 315,068.04 is: 434,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,050.14 : 731,227.86 = 315,068.04 : x
  2. Step 2: Convert to fraction form
    530,050.14/731,227.86 = 315,068.04/x
  3. Step 3: Cross multiply
    530,050.14x = 731,227.86 × 315,068.04
  4. Step 4: Simplify right side
    530,050.14x = 230,386,528,643.59
  5. Step 5: Solve for x
    x = 230,386,528,643.59/530,050.14
  6. Step 6: Final answer
    x = 434,650.44

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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.