Home / 749,712.72-1,034,629.36-410,180.96

Finding the Fourth Proportional to 749,712.72, 1,034,629.36 and 410,180.96

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Solution

The fourth proportional to 749,712.72, 1,034,629.36 and 410,180.96 is: 566,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,712.72 : 1,034,629.36 = 410,180.96 : x
  2. Step 2: Convert to fraction form
    749,712.72/1,034,629.36 = 410,180.96/x
  3. Step 3: Cross multiply
    749,712.72x = 1,034,629.36 × 410,180.96
  4. Step 4: Simplify right side
    749,712.72x = 424,385,264,128.99
  5. Step 5: Solve for x
    x = 424,385,264,128.99/749,712.72
  6. Step 6: Final answer
    x = 566,063.84

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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.