Home / 425,112.22-586,679.52-243,822.88

Finding the Fourth Proportional to 425,112.22, 586,679.52 and 243,822.88

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Solution

The fourth proportional to 425,112.22, 586,679.52 and 243,822.88 is: 336,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,112.22 : 586,679.52 = 243,822.88 : x
  2. Step 2: Convert to fraction form
    425,112.22/586,679.52 = 243,822.88/x
  3. Step 3: Cross multiply
    425,112.22x = 586,679.52 × 243,822.88
  4. Step 4: Simplify right side
    425,112.22x = 143,045,890,203.42
  5. Step 5: Solve for x
    x = 143,045,890,203.42/425,112.22
  6. Step 6: Final answer
    x = 336,489.72

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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.