Home / 966,043.20-1,449,064.80-493,651.20

Finding the Fourth Proportional to 966,043.20, 1,449,064.80 and 493,651.20

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Solution

The fourth proportional to 966,043.20, 1,449,064.80 and 493,651.20 is: 740,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,043.20 : 1,449,064.80 = 493,651.20 : x
  2. Step 2: Convert to fraction form
    966,043.20/1,449,064.80 = 493,651.20/x
  3. Step 3: Cross multiply
    966,043.20x = 1,449,064.80 × 493,651.20
  4. Step 4: Simplify right side
    966,043.20x = 715,332,577,397.76
  5. Step 5: Solve for x
    x = 715,332,577,397.76/966,043.20
  6. Step 6: Final answer
    x = 740,476.80

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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.