Home / 916,640.20-1,377,033.90-636,704.20

Finding the Fourth Proportional to 916,640.20, 1,377,033.90 and 636,704.20

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Solution

The fourth proportional to 916,640.20, 1,377,033.90 and 636,704.20 is: 956,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,640.20 : 1,377,033.90 = 636,704.20 : x
  2. Step 2: Convert to fraction form
    916,640.20/1,377,033.90 = 636,704.20/x
  3. Step 3: Cross multiply
    916,640.20x = 1,377,033.90 × 636,704.20
  4. Step 4: Simplify right side
    916,640.20x = 876,763,267,672.38
  5. Step 5: Solve for x
    x = 876,763,267,672.38/916,640.20
  6. Step 6: Final answer
    x = 956,496.64

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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.