Home / 882,103.52-1,217,543.05-519,645.17

Finding the Fourth Proportional to 882,103.52, 1,217,543.05 and 519,645.17

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Solution

The fourth proportional to 882,103.52, 1,217,543.05 and 519,645.17 is: 717,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,103.52 : 1,217,543.05 = 519,645.17 : x
  2. Step 2: Convert to fraction form
    882,103.52/1,217,543.05 = 519,645.17/x
  3. Step 3: Cross multiply
    882,103.52x = 1,217,543.05 × 519,645.17
  4. Step 4: Simplify right side
    882,103.52x = 632,690,365,969.98
  5. Step 5: Solve for x
    x = 632,690,365,969.98/882,103.52
  6. Step 6: Final answer
    x = 717,251.83

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1.5x scale

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.