Home / 755,712.47-1,042,835.94-416,180.72

Finding the Fourth Proportional to 755,712.47, 1,042,835.94 and 416,180.72

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Solution

The fourth proportional to 755,712.47, 1,042,835.94 and 416,180.72 is: 574,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,712.47 : 1,042,835.94 = 416,180.72 : x
  2. Step 2: Convert to fraction form
    755,712.47/1,042,835.94 = 416,180.72/x
  3. Step 3: Cross multiply
    755,712.47x = 1,042,835.94 × 416,180.72
  4. Step 4: Simplify right side
    755,712.47x = 434,008,207,136.90
  5. Step 5: Solve for x
    x = 434,008,207,136.90/755,712.47
  6. Step 6: Final answer
    x = 574,303.36

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1.5x scale

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.