Home / 413,013.29-619,519.95-146,784.30

Finding the Fourth Proportional to 413,013.29, 619,519.95 and 146,784.30

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Solution

The fourth proportional to 413,013.29, 619,519.95 and 146,784.30 is: 220,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,013.29 : 619,519.95 = 146,784.30 : x
  2. Step 2: Convert to fraction form
    413,013.29/619,519.95 = 146,784.30/x
  3. Step 3: Cross multiply
    413,013.29x = 619,519.95 × 146,784.30
  4. Step 4: Simplify right side
    413,013.29x = 90,935,802,196.79
  5. Step 5: Solve for x
    x = 90,935,802,196.79/413,013.29
  6. Step 6: Final answer
    x = 220,176.46

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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.