Home / 425,034.91-586,547.25-231,439.62

Finding the Fourth Proportional to 425,034.91, 586,547.25 and 231,439.62

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Solution

The fourth proportional to 425,034.91, 586,547.25 and 231,439.62 is: 319,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,034.91 : 586,547.25 = 231,439.62 : x
  2. Step 2: Convert to fraction form
    425,034.91/586,547.25 = 231,439.62/x
  3. Step 3: Cross multiply
    425,034.91x = 586,547.25 × 231,439.62
  4. Step 4: Simplify right side
    425,034.91x = 135,750,270,510.46
  5. Step 5: Solve for x
    x = 135,750,270,510.46/425,034.91
  6. Step 6: Final answer
    x = 319,386.17

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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.