Home / 972,541.63-1,342,052.85-542,849.46

Finding the Fourth Proportional to 972,541.63, 1,342,052.85 and 542,849.46

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Solution

The fourth proportional to 972,541.63, 1,342,052.85 and 542,849.46 is: 749,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,541.63 : 1,342,052.85 = 542,849.46 : x
  2. Step 2: Convert to fraction form
    972,541.63/1,342,052.85 = 542,849.46/x
  3. Step 3: Cross multiply
    972,541.63x = 1,342,052.85 × 542,849.46
  4. Step 4: Simplify right side
    972,541.63x = 728,532,664,913.96
  5. Step 5: Solve for x
    x = 728,532,664,913.96/972,541.63
  6. Step 6: Final answer
    x = 749,101.78

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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.