Home / 418,854.27-578,000.67-232,574.13

Finding the Fourth Proportional to 418,854.27, 578,000.67 and 232,574.13

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Solution

The fourth proportional to 418,854.27, 578,000.67 and 232,574.13 is: 320,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,854.27 : 578,000.67 = 232,574.13 : x
  2. Step 2: Convert to fraction form
    418,854.27/578,000.67 = 232,574.13/x
  3. Step 3: Cross multiply
    418,854.27x = 578,000.67 × 232,574.13
  4. Step 4: Simplify right side
    418,854.27x = 134,428,002,964.67
  5. Step 5: Solve for x
    x = 134,428,002,964.67/418,854.27
  6. Step 6: Final answer
    x = 320,942.18

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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.