Home / 1,131,698.43-1,561,750.20-615,458.34

Finding the Fourth Proportional to 1,131,698.43, 1,561,750.20 and 615,458.34

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Solution

The fourth proportional to 1,131,698.43, 1,561,750.20 and 615,458.34 is: 849,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,698.43 : 1,561,750.20 = 615,458.34 : x
  2. Step 2: Convert to fraction form
    1,131,698.43/1,561,750.20 = 615,458.34/x
  3. Step 3: Cross multiply
    1,131,698.43x = 1,561,750.20 × 615,458.34
  4. Step 4: Simplify right side
    1,131,698.43x = 961,192,185,586.67
  5. Step 5: Solve for x
    x = 961,192,185,586.67/1,131,698.43
  6. Step 6: Final answer
    x = 849,335.97

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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.