Home / 885,421.92-1,329,036.84-648,059.52

Finding the Fourth Proportional to 885,421.92, 1,329,036.84 and 648,059.52

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Solution

The fourth proportional to 885,421.92, 1,329,036.84 and 648,059.52 is: 972,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,421.92 : 1,329,036.84 = 648,059.52 : x
  2. Step 2: Convert to fraction form
    885,421.92/1,329,036.84 = 648,059.52/x
  3. Step 3: Cross multiply
    885,421.92x = 1,329,036.84 × 648,059.52
  4. Step 4: Simplify right side
    885,421.92x = 861,294,976,592.72
  5. Step 5: Solve for x
    x = 861,294,976,592.72/885,421.92
  6. Step 6: Final answer
    x = 972,750.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.