Home / 428,543.96-591,350.91-237,541.10

Finding the Fourth Proportional to 428,543.96, 591,350.91 and 237,541.10

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Solution

The fourth proportional to 428,543.96, 591,350.91 and 237,541.10 is: 327,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,543.96 : 591,350.91 = 237,541.10 : x
  2. Step 2: Convert to fraction form
    428,543.96/591,350.91 = 237,541.10/x
  3. Step 3: Cross multiply
    428,543.96x = 591,350.91 × 237,541.10
  4. Step 4: Simplify right side
    428,543.96x = 140,470,145,647.40
  5. Step 5: Solve for x
    x = 140,470,145,647.40/428,543.96
  6. Step 6: Final answer
    x = 327,784.68

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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.