Home / 1,296,065.40-1,944,098.10-918,151.80

Finding the Fourth Proportional to 1,296,065.40, 1,944,098.10 and 918,151.80

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Solution

The fourth proportional to 1,296,065.40, 1,944,098.10 and 918,151.80 is: 1,377,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,065.40 : 1,944,098.10 = 918,151.80 : x
  2. Step 2: Convert to fraction form
    1,296,065.40/1,944,098.10 = 918,151.80/x
  3. Step 3: Cross multiply
    1,296,065.40x = 1,944,098.10 × 918,151.80
  4. Step 4: Simplify right side
    1,296,065.40x = 1,784,977,169,891.58
  5. Step 5: Solve for x
    x = 1,784,977,169,891.58/1,296,065.40
  6. Step 6: Final answer
    x = 1,377,227.70

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Similar ratio
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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.