Home / 1,131,550.94-1,561,542.08-615,304.28

Finding the Fourth Proportional to 1,131,550.94, 1,561,542.08 and 615,304.28

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Solution

The fourth proportional to 1,131,550.94, 1,561,542.08 and 615,304.28 is: 849,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,550.94 : 1,561,542.08 = 615,304.28 : x
  2. Step 2: Convert to fraction form
    1,131,550.94/1,561,542.08 = 615,304.28/x
  3. Step 3: Cross multiply
    1,131,550.94x = 1,561,542.08 × 615,304.28
  4. Step 4: Simplify right side
    1,131,550.94x = 960,823,514,339.87
  5. Step 5: Solve for x
    x = 960,823,514,339.87/1,131,550.94
  6. Step 6: Final answer
    x = 849,120.87

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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.