Home / 972,541.79-1,342,052.96-542,849.55

Finding the Fourth Proportional to 972,541.79, 1,342,052.96 and 542,849.55

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Solution

The fourth proportional to 972,541.79, 1,342,052.96 and 542,849.55 is: 749,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,541.79 : 1,342,052.96 = 542,849.55 : x
  2. Step 2: Convert to fraction form
    972,541.79/1,342,052.96 = 542,849.55/x
  3. Step 3: Cross multiply
    972,541.79x = 1,342,052.96 × 542,849.55
  4. Step 4: Simplify right side
    972,541.79x = 728,532,837,665.22
  5. Step 5: Solve for x
    x = 728,532,837,665.22/972,541.79
  6. Step 6: Final answer
    x = 749,101.83

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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.