Home / 863,561.55-1,292,833.43-502,630.69

Finding the Fourth Proportional to 863,561.55, 1,292,833.43 and 502,630.69

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Solution

The fourth proportional to 863,561.55, 1,292,833.43 and 502,630.69 is: 752,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,561.55 : 1,292,833.43 = 502,630.69 : x
  2. Step 2: Convert to fraction form
    863,561.55/1,292,833.43 = 502,630.69/x
  3. Step 3: Cross multiply
    863,561.55x = 1,292,833.43 × 502,630.69
  4. Step 4: Simplify right side
    863,561.55x = 649,817,762,589.40
  5. Step 5: Solve for x
    x = 649,817,762,589.40/863,561.55
  6. Step 6: Final answer
    x = 752,485.75

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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.