Home / 816,592.42-1,126,925.92-454,031.56

Finding the Fourth Proportional to 816,592.42, 1,126,925.92 and 454,031.56

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Solution

The fourth proportional to 816,592.42, 1,126,925.92 and 454,031.56 is: 626,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,592.42 : 1,126,925.92 = 454,031.56 : x
  2. Step 2: Convert to fraction form
    816,592.42/1,126,925.92 = 454,031.56/x
  3. Step 3: Cross multiply
    816,592.42x = 1,126,925.92 × 454,031.56
  4. Step 4: Simplify right side
    816,592.42x = 511,659,933,462.04
  5. Step 5: Solve for x
    x = 511,659,933,462.04/816,592.42
  6. Step 6: Final answer
    x = 626,579.33

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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.