Home / 1,142,771.53-1,577,042.43-626,572.57

Finding the Fourth Proportional to 1,142,771.53, 1,577,042.43 and 626,572.57

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Solution

The fourth proportional to 1,142,771.53, 1,577,042.43 and 626,572.57 is: 864,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,771.53 : 1,577,042.43 = 626,572.57 : x
  2. Step 2: Convert to fraction form
    1,142,771.53/1,577,042.43 = 626,572.57/x
  3. Step 3: Cross multiply
    1,142,771.53x = 1,577,042.43 × 626,572.57
  4. Step 4: Simplify right side
    1,142,771.53x = 988,131,520,478.93
  5. Step 5: Solve for x
    x = 988,131,520,478.93/1,142,771.53
  6. Step 6: Final answer
    x = 864,679.86

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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.