Home / 718,505.04-991,523.16-396,244.92

Finding the Fourth Proportional to 718,505.04, 991,523.16 and 396,244.92

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Solution

The fourth proportional to 718,505.04, 991,523.16 and 396,244.92 is: 546,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,505.04 : 991,523.16 = 396,244.92 : x
  2. Step 2: Convert to fraction form
    718,505.04/991,523.16 = 396,244.92/x
  3. Step 3: Cross multiply
    718,505.04x = 991,523.16 × 396,244.92
  4. Step 4: Simplify right side
    718,505.04x = 392,886,015,212.35
  5. Step 5: Solve for x
    x = 392,886,015,212.35/718,505.04
  6. Step 6: Final answer
    x = 546,810.38

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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.