Home / 747,924.48-1,121,262.21-348,359.58

Finding the Fourth Proportional to 747,924.48, 1,121,262.21 and 348,359.58

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Solution

The fourth proportional to 747,924.48, 1,121,262.21 and 348,359.58 is: 522,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,924.48 : 1,121,262.21 = 348,359.58 : x
  2. Step 2: Convert to fraction form
    747,924.48/1,121,262.21 = 348,359.58/x
  3. Step 3: Cross multiply
    747,924.48x = 1,121,262.21 × 348,359.58
  4. Step 4: Simplify right side
    747,924.48x = 390,602,432,545.47
  5. Step 5: Solve for x
    x = 390,602,432,545.47/747,924.48
  6. Step 6: Final answer
    x = 522,248.49

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1.5x scale

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.