Home / 749,116.62-1,123,707.74-216,691.47

Finding the Fourth Proportional to 749,116.62, 1,123,707.74 and 216,691.47

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Solution

The fourth proportional to 749,116.62, 1,123,707.74 and 216,691.47 is: 325,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,116.62 : 1,123,707.74 = 216,691.47 : x
  2. Step 2: Convert to fraction form
    749,116.62/1,123,707.74 = 216,691.47/x
  3. Step 3: Cross multiply
    749,116.62x = 1,123,707.74 × 216,691.47
  4. Step 4: Simplify right side
    749,116.62x = 243,497,880,947.52
  5. Step 5: Solve for x
    x = 243,497,880,947.52/749,116.62
  6. Step 6: Final answer
    x = 325,046.69

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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.