Home / 822,032.20-1,233,177.90-261,123.40

Finding the Fourth Proportional to 822,032.20, 1,233,177.90 and 261,123.40

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Solution

The fourth proportional to 822,032.20, 1,233,177.90 and 261,123.40 is: 391,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,032.20 : 1,233,177.90 = 261,123.40 : x
  2. Step 2: Convert to fraction form
    822,032.20/1,233,177.90 = 261,123.40/x
  3. Step 3: Cross multiply
    822,032.20x = 1,233,177.90 × 261,123.40
  4. Step 4: Simplify right side
    822,032.20x = 322,011,606,052.86
  5. Step 5: Solve for x
    x = 322,011,606,052.86/822,032.20
  6. Step 6: Final answer
    x = 391,726.27

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1.5x scale

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.