Home / 1,131,524.69-1,561,495.62-615,278.89

Finding the Fourth Proportional to 1,131,524.69, 1,561,495.62 and 615,278.89

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Solution

The fourth proportional to 1,131,524.69, 1,561,495.62 and 615,278.89 is: 849,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,524.69 : 1,561,495.62 = 615,278.89 : x
  2. Step 2: Convert to fraction form
    1,131,524.69/1,561,495.62 = 615,278.89/x
  3. Step 3: Cross multiply
    1,131,524.69x = 1,561,495.62 × 615,278.89
  4. Step 4: Simplify right side
    1,131,524.69x = 960,755,287,289.21
  5. Step 5: Solve for x
    x = 960,755,287,289.21/1,131,524.69
  6. Step 6: Final answer
    x = 849,080.27

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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.