Home / 887,067.72-1,224,153.96-479,169.56

Finding the Fourth Proportional to 887,067.72, 1,224,153.96 and 479,169.56

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Solution

The fourth proportional to 887,067.72, 1,224,153.96 and 479,169.56 is: 661,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,067.72 : 1,224,153.96 = 479,169.56 : x
  2. Step 2: Convert to fraction form
    887,067.72/1,224,153.96 = 479,169.56/x
  3. Step 3: Cross multiply
    887,067.72x = 1,224,153.96 × 479,169.56
  4. Step 4: Simplify right side
    887,067.72x = 586,577,314,385.46
  5. Step 5: Solve for x
    x = 586,577,314,385.46/887,067.72
  6. Step 6: Final answer
    x = 661,254.27

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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.