Home / 762,095.47-1,143,143.24-256,614.14

Finding the Fourth Proportional to 762,095.47, 1,143,143.24 and 256,614.14

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Solution

The fourth proportional to 762,095.47, 1,143,143.24 and 256,614.14 is: 384,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,095.47 : 1,143,143.24 = 256,614.14 : x
  2. Step 2: Convert to fraction form
    762,095.47/1,143,143.24 = 256,614.14/x
  3. Step 3: Cross multiply
    762,095.47x = 1,143,143.24 × 256,614.14
  4. Step 4: Simplify right side
    762,095.47x = 293,346,719,429.41
  5. Step 5: Solve for x
    x = 293,346,719,429.41/762,095.47
  6. Step 6: Final answer
    x = 384,921.22

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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.