Home / 756,370.65-1,043,791.50-416,838.90

Finding the Fourth Proportional to 756,370.65, 1,043,791.50 and 416,838.90

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Solution

The fourth proportional to 756,370.65, 1,043,791.50 and 416,838.90 is: 575,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,370.65 : 1,043,791.50 = 416,838.90 : x
  2. Step 2: Convert to fraction form
    756,370.65/1,043,791.50 = 416,838.90/x
  3. Step 3: Cross multiply
    756,370.65x = 1,043,791.50 × 416,838.90
  4. Step 4: Simplify right side
    756,370.65x = 435,092,900,689.35
  5. Step 5: Solve for x
    x = 435,092,900,689.35/756,370.65
  6. Step 6: Final answer
    x = 575,237.68

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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.