Home / 972,392.46-1,342,036.85-542,700.27

Finding the Fourth Proportional to 972,392.46, 1,342,036.85 and 542,700.27

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Solution

The fourth proportional to 972,392.46, 1,342,036.85 and 542,700.27 is: 749,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,392.46 : 1,342,036.85 = 542,700.27 : x
  2. Step 2: Convert to fraction form
    972,392.46/1,342,036.85 = 542,700.27/x
  3. Step 3: Cross multiply
    972,392.46x = 1,342,036.85 × 542,700.27
  4. Step 4: Simplify right side
    972,392.46x = 728,323,751,421.26
  5. Step 5: Solve for x
    x = 728,323,751,421.26/972,392.46
  6. Step 6: Final answer
    x = 749,001.85

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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.