Home / 648,339.15-972,432.18-175,061.43

Finding the Fourth Proportional to 648,339.15, 972,432.18 and 175,061.43

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Solution

The fourth proportional to 648,339.15, 972,432.18 and 175,061.43 is: 262,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,339.15 : 972,432.18 = 175,061.43 : x
  2. Step 2: Convert to fraction form
    648,339.15/972,432.18 = 175,061.43/x
  3. Step 3: Cross multiply
    648,339.15x = 972,432.18 × 175,061.43
  4. Step 4: Simplify right side
    648,339.15x = 170,235,368,008.82
  5. Step 5: Solve for x
    x = 170,235,368,008.82/648,339.15
  6. Step 6: Final answer
    x = 262,571.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.