Home / 730,475.52-1,008,036.86-408,188.28

Finding the Fourth Proportional to 730,475.52, 1,008,036.86 and 408,188.28

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Solution

The fourth proportional to 730,475.52, 1,008,036.86 and 408,188.28 is: 563,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,475.52 : 1,008,036.86 = 408,188.28 : x
  2. Step 2: Convert to fraction form
    730,475.52/1,008,036.86 = 408,188.28/x
  3. Step 3: Cross multiply
    730,475.52x = 1,008,036.86 × 408,188.28
  4. Step 4: Simplify right side
    730,475.52x = 411,468,832,060.00
  5. Step 5: Solve for x
    x = 411,468,832,060.00/730,475.52
  6. Step 6: Final answer
    x = 563,289.01

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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.