Home / 755,161.89-1,041,941.55-445,076.85

Finding the Fourth Proportional to 755,161.89, 1,041,941.55 and 445,076.85

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Solution

The fourth proportional to 755,161.89, 1,041,941.55 and 445,076.85 is: 614,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,161.89 : 1,041,941.55 = 445,076.85 : x
  2. Step 2: Convert to fraction form
    755,161.89/1,041,941.55 = 445,076.85/x
  3. Step 3: Cross multiply
    755,161.89x = 1,041,941.55 × 445,076.85
  4. Step 4: Simplify right side
    755,161.89x = 463,744,062,958.12
  5. Step 5: Solve for x
    x = 463,744,062,958.12/755,161.89
  6. Step 6: Final answer
    x = 614,098.87

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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.