Home / 523,278.17-722,131.45-293,885.11

Finding the Fourth Proportional to 523,278.17, 722,131.45 and 293,885.11

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Solution

The fourth proportional to 523,278.17, 722,131.45 and 293,885.11 is: 405,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,278.17 : 722,131.45 = 293,885.11 : x
  2. Step 2: Convert to fraction form
    523,278.17/722,131.45 = 293,885.11/x
  3. Step 3: Cross multiply
    523,278.17x = 722,131.45 × 293,885.11
  4. Step 4: Simplify right side
    523,278.17x = 212,223,682,438.77
  5. Step 5: Solve for x
    x = 212,223,682,438.77/523,278.17
  6. Step 6: Final answer
    x = 405,565.71

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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.