Home / 865,722.10-1,298,583.15-567,123.70

Finding the Fourth Proportional to 865,722.10, 1,298,583.15 and 567,123.70

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Solution

The fourth proportional to 865,722.10, 1,298,583.15 and 567,123.70 is: 850,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,722.10 : 1,298,583.15 = 567,123.70 : x
  2. Step 2: Convert to fraction form
    865,722.10/1,298,583.15 = 567,123.70/x
  3. Step 3: Cross multiply
    865,722.10x = 1,298,583.15 × 567,123.70
  4. Step 4: Simplify right side
    865,722.10x = 736,457,280,785.66
  5. Step 5: Solve for x
    x = 736,457,280,785.66/865,722.10
  6. Step 6: Final answer
    x = 850,685.55

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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.