Home / 891,177.15-1,229,824.79-483,278.87

Finding the Fourth Proportional to 891,177.15, 1,229,824.79 and 483,278.87

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Solution

The fourth proportional to 891,177.15, 1,229,824.79 and 483,278.87 is: 666,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,177.15 : 1,229,824.79 = 483,278.87 : x
  2. Step 2: Convert to fraction form
    891,177.15/1,229,824.79 = 483,278.87/x
  3. Step 3: Cross multiply
    891,177.15x = 1,229,824.79 × 483,278.87
  4. Step 4: Simplify right side
    891,177.15x = 594,348,337,279.65
  5. Step 5: Solve for x
    x = 594,348,337,279.65/891,177.15
  6. Step 6: Final answer
    x = 666,925.02

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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.