Home / 868,929.12-1,199,156.40-486,952.56

Finding the Fourth Proportional to 868,929.12, 1,199,156.40 and 486,952.56

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Solution

The fourth proportional to 868,929.12, 1,199,156.40 and 486,952.56 is: 672,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,929.12 : 1,199,156.40 = 486,952.56 : x
  2. Step 2: Convert to fraction form
    868,929.12/1,199,156.40 = 486,952.56/x
  3. Step 3: Cross multiply
    868,929.12x = 1,199,156.40 × 486,952.56
  4. Step 4: Simplify right side
    868,929.12x = 583,932,278,820.38
  5. Step 5: Solve for x
    x = 583,932,278,820.38/868,929.12
  6. Step 6: Final answer
    x = 672,013.71

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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.