Home / 1,131,500.75-1,561,474.26-615,254.84

Finding the Fourth Proportional to 1,131,500.75, 1,561,474.26 and 615,254.84

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Solution

The fourth proportional to 1,131,500.75, 1,561,474.26 and 615,254.84 is: 849,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,500.75 : 1,561,474.26 = 615,254.84 : x
  2. Step 2: Convert to fraction form
    1,131,500.75/1,561,474.26 = 615,254.84/x
  3. Step 3: Cross multiply
    1,131,500.75x = 1,561,474.26 × 615,254.84
  4. Step 4: Simplify right side
    1,131,500.75x = 960,704,594,048.58
  5. Step 5: Solve for x
    x = 960,704,594,048.58/1,131,500.75
  6. Step 6: Final answer
    x = 849,053.43

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Double scale
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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.