Home / 860,115.25-1,186,989.50-472,960.13

Finding the Fourth Proportional to 860,115.25, 1,186,989.50 and 472,960.13

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Solution

The fourth proportional to 860,115.25, 1,186,989.50 and 472,960.13 is: 652,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,115.25 : 1,186,989.50 = 472,960.13 : x
  2. Step 2: Convert to fraction form
    860,115.25/1,186,989.50 = 472,960.13/x
  3. Step 3: Cross multiply
    860,115.25x = 1,186,989.50 × 472,960.13
  4. Step 4: Simplify right side
    860,115.25x = 561,398,705,863.83
  5. Step 5: Solve for x
    x = 561,398,705,863.83/860,115.25
  6. Step 6: Final answer
    x = 652,701.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.