Home / 1,142,589.92-1,575,686.40-683,630.96

Finding the Fourth Proportional to 1,142,589.92, 1,575,686.40 and 683,630.96

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Solution

The fourth proportional to 1,142,589.92, 1,575,686.40 and 683,630.96 is: 942,759.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,589.92 : 1,575,686.40 = 683,630.96 : x
  2. Step 2: Convert to fraction form
    1,142,589.92/1,575,686.40 = 683,630.96/x
  3. Step 3: Cross multiply
    1,142,589.92x = 1,575,686.40 × 683,630.96
  4. Step 4: Simplify right side
    1,142,589.92x = 1,077,188,006,290.94
  5. Step 5: Solve for x
    x = 1,077,188,006,290.94/1,142,589.92
  6. Step 6: Final answer
    x = 942,759.94

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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.