Home / 749,701.80-1,124,552.76-217,223.20

Finding the Fourth Proportional to 749,701.80, 1,124,552.76 and 217,223.20

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Solution

The fourth proportional to 749,701.80, 1,124,552.76 and 217,223.20 is: 325,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,701.80 : 1,124,552.76 = 217,223.20 : x
  2. Step 2: Convert to fraction form
    749,701.80/1,124,552.76 = 217,223.20/x
  3. Step 3: Cross multiply
    749,701.80x = 1,124,552.76 × 217,223.20
  4. Step 4: Simplify right side
    749,701.80x = 244,278,949,096.03
  5. Step 5: Solve for x
    x = 244,278,949,096.03/749,701.80
  6. Step 6: Final answer
    x = 325,834.82

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Double scale
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Similar ratio
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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.