Home / 723,778.53-998,934.13-401,592.42

Finding the Fourth Proportional to 723,778.53, 998,934.13 and 401,592.42

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Solution

The fourth proportional to 723,778.53, 998,934.13 and 401,592.42 is: 554,263.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,778.53 : 998,934.13 = 401,592.42 : x
  2. Step 2: Convert to fraction form
    723,778.53/998,934.13 = 401,592.42/x
  3. Step 3: Cross multiply
    723,778.53x = 998,934.13 × 401,592.42
  4. Step 4: Simplify right side
    723,778.53x = 401,164,374,687.30
  5. Step 5: Solve for x
    x = 401,164,374,687.30/723,778.53
  6. Step 6: Final answer
    x = 554,263.99

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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.