Home / 756,158.10-1,134,237.15-653,514.90

Finding the Fourth Proportional to 756,158.10, 1,134,237.15 and 653,514.90

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Solution

The fourth proportional to 756,158.10, 1,134,237.15 and 653,514.90 is: 980,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,158.10 : 1,134,237.15 = 653,514.90 : x
  2. Step 2: Convert to fraction form
    756,158.10/1,134,237.15 = 653,514.90/x
  3. Step 3: Cross multiply
    756,158.10x = 1,134,237.15 × 653,514.90
  4. Step 4: Simplify right side
    756,158.10x = 741,240,877,658.54
  5. Step 5: Solve for x
    x = 741,240,877,658.54/756,158.10
  6. Step 6: Final answer
    x = 980,272.35

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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.