Home / 972,014.80-1,458,022.20-572,449.90

Finding the Fourth Proportional to 972,014.80, 1,458,022.20 and 572,449.90

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Solution

The fourth proportional to 972,014.80, 1,458,022.20 and 572,449.90 is: 858,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,014.80 : 1,458,022.20 = 572,449.90 : x
  2. Step 2: Convert to fraction form
    972,014.80/1,458,022.20 = 572,449.90/x
  3. Step 3: Cross multiply
    972,014.80x = 1,458,022.20 × 572,449.90
  4. Step 4: Simplify right side
    972,014.80x = 834,644,662,587.78
  5. Step 5: Solve for x
    x = 834,644,662,587.78/972,014.80
  6. Step 6: Final answer
    x = 858,674.85

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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.