Home / 755,155.07-1,132,731.23-223,049.76

Finding the Fourth Proportional to 755,155.07, 1,132,731.23 and 223,049.76

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Solution

The fourth proportional to 755,155.07, 1,132,731.23 and 223,049.76 is: 334,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,155.07 : 1,132,731.23 = 223,049.76 : x
  2. Step 2: Convert to fraction form
    755,155.07/1,132,731.23 = 223,049.76/x
  3. Step 3: Cross multiply
    755,155.07x = 1,132,731.23 × 223,049.76
  4. Step 4: Simplify right side
    755,155.07x = 252,655,427,880.76
  5. Step 5: Solve for x
    x = 252,655,427,880.76/755,155.07
  6. Step 6: Final answer
    x = 334,574.23

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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.