Home / 876,331.40-1,314,497.10-858,616.70

Finding the Fourth Proportional to 876,331.40, 1,314,497.10 and 858,616.70

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Solution

The fourth proportional to 876,331.40, 1,314,497.10 and 858,616.70 is: 1,287,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,331.40 : 1,314,497.10 = 858,616.70 : x
  2. Step 2: Convert to fraction form
    876,331.40/1,314,497.10 = 858,616.70/x
  3. Step 3: Cross multiply
    876,331.40x = 1,314,497.10 × 858,616.70
  4. Step 4: Simplify right side
    876,331.40x = 1,128,649,162,161.57
  5. Step 5: Solve for x
    x = 1,128,649,162,161.57/876,331.40
  6. Step 6: Final answer
    x = 1,287,925.05

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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.