Home / 755,265.95-1,042,289.15-411,124.31

Finding the Fourth Proportional to 755,265.95, 1,042,289.15 and 411,124.31

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Solution

The fourth proportional to 755,265.95, 1,042,289.15 and 411,124.31 is: 567,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,265.95 : 1,042,289.15 = 411,124.31 : x
  2. Step 2: Convert to fraction form
    755,265.95/1,042,289.15 = 411,124.31/x
  3. Step 3: Cross multiply
    755,265.95x = 1,042,289.15 × 411,124.31
  4. Step 4: Simplify right side
    755,265.95x = 428,510,407,614.24
  5. Step 5: Solve for x
    x = 428,510,407,614.24/755,265.95
  6. Step 6: Final answer
    x = 567,363.60

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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.