Home / 356,001.48-491,423.76-233,540.55

Finding the Fourth Proportional to 356,001.48, 491,423.76 and 233,540.55

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Solution

The fourth proportional to 356,001.48, 491,423.76 and 233,540.55 is: 322,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,001.48 : 491,423.76 = 233,540.55 : x
  2. Step 2: Convert to fraction form
    356,001.48/491,423.76 = 233,540.55/x
  3. Step 3: Cross multiply
    356,001.48x = 491,423.76 × 233,540.55
  4. Step 4: Simplify right side
    356,001.48x = 114,767,375,193.47
  5. Step 5: Solve for x
    x = 114,767,375,193.47/356,001.48
  6. Step 6: Final answer
    x = 322,378.93

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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.