Home / 528,359.12-791,928.24-243,454.04

Finding the Fourth Proportional to 528,359.12, 791,928.24 and 243,454.04

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Solution

The fourth proportional to 528,359.12, 791,928.24 and 243,454.04 is: 364,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,359.12 : 791,928.24 = 243,454.04 : x
  2. Step 2: Convert to fraction form
    528,359.12/791,928.24 = 243,454.04/x
  3. Step 3: Cross multiply
    528,359.12x = 791,928.24 × 243,454.04
  4. Step 4: Simplify right side
    528,359.12x = 192,798,129,418.09
  5. Step 5: Solve for x
    x = 192,798,129,418.09/528,359.12
  6. Step 6: Final answer
    x = 364,899.79

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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.