Home / 648,340.15-972,433.68-175,062.43

Finding the Fourth Proportional to 648,340.15, 972,433.68 and 175,062.43

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Solution

The fourth proportional to 648,340.15, 972,433.68 and 175,062.43 is: 262,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,340.15 : 972,433.68 = 175,062.43 : x
  2. Step 2: Convert to fraction form
    648,340.15/972,433.68 = 175,062.43/x
  3. Step 3: Cross multiply
    648,340.15x = 972,433.68 × 175,062.43
  4. Step 4: Simplify right side
    648,340.15x = 170,236,603,034.64
  5. Step 5: Solve for x
    x = 170,236,603,034.64/648,340.15
  6. Step 6: Final answer
    x = 262,572.98

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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.