Home / 966,073.80-1,449,110.70-487,776.90

Finding the Fourth Proportional to 966,073.80, 1,449,110.70 and 487,776.90

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Solution

The fourth proportional to 966,073.80, 1,449,110.70 and 487,776.90 is: 731,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,073.80 : 1,449,110.70 = 487,776.90 : x
  2. Step 2: Convert to fraction form
    966,073.80/1,449,110.70 = 487,776.90/x
  3. Step 3: Cross multiply
    966,073.80x = 1,449,110.70 × 487,776.90
  4. Step 4: Simplify right side
    966,073.80x = 706,842,725,002.83
  5. Step 5: Solve for x
    x = 706,842,725,002.83/966,073.80
  6. Step 6: Final answer
    x = 731,665.35

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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.