Home / 424,127.05-585,280.51-233,139.07

Finding the Fourth Proportional to 424,127.05, 585,280.51 and 233,139.07

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Solution

The fourth proportional to 424,127.05, 585,280.51 and 233,139.07 is: 321,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,127.05 : 585,280.51 = 233,139.07 : x
  2. Step 2: Convert to fraction form
    424,127.05/585,280.51 = 233,139.07/x
  3. Step 3: Cross multiply
    424,127.05x = 585,280.51 × 233,139.07
  4. Step 4: Simplify right side
    424,127.05x = 136,451,753,790.53
  5. Step 5: Solve for x
    x = 136,451,753,790.53/424,127.05
  6. Step 6: Final answer
    x = 321,723.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.