Home / 1,029,105.20-1,543,657.80-468,139.70

Finding the Fourth Proportional to 1,029,105.20, 1,543,657.80 and 468,139.70

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Solution

The fourth proportional to 1,029,105.20, 1,543,657.80 and 468,139.70 is: 702,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,105.20 : 1,543,657.80 = 468,139.70 : x
  2. Step 2: Convert to fraction form
    1,029,105.20/1,543,657.80 = 468,139.70/x
  3. Step 3: Cross multiply
    1,029,105.20x = 1,543,657.80 × 468,139.70
  4. Step 4: Simplify right side
    1,029,105.20x = 722,647,499,394.66
  5. Step 5: Solve for x
    x = 722,647,499,394.66/1,029,105.20
  6. Step 6: Final answer
    x = 702,209.55

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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.