Home / 1,772,979.12-2,659,468.56-443,283.12

Finding the Fourth Proportional to 1,772,979.12, 2,659,468.56 and 443,283.12

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Solution

The fourth proportional to 1,772,979.12, 2,659,468.56 and 443,283.12 is: 664,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,979.12 : 2,659,468.56 = 443,283.12 : x
  2. Step 2: Convert to fraction form
    1,772,979.12/2,659,468.56 = 443,283.12/x
  3. Step 3: Cross multiply
    1,772,979.12x = 2,659,468.56 × 443,283.12
  4. Step 4: Simplify right side
    1,772,979.12x = 1,178,897,520,818.71
  5. Step 5: Solve for x
    x = 1,178,897,520,818.71/1,772,979.12
  6. Step 6: Final answer
    x = 664,924.65

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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.