Home / 1,131,507.69-1,561,482.48-615,261.11

Finding the Fourth Proportional to 1,131,507.69, 1,561,482.48 and 615,261.11

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Solution

The fourth proportional to 1,131,507.69, 1,561,482.48 and 615,261.11 is: 849,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,507.69 : 1,561,482.48 = 615,261.11 : x
  2. Step 2: Convert to fraction form
    1,131,507.69/1,561,482.48 = 615,261.11/x
  3. Step 3: Cross multiply
    1,131,507.69x = 1,561,482.48 × 615,261.11
  4. Step 4: Simplify right side
    1,131,507.69x = 960,719,436,082.94
  5. Step 5: Solve for x
    x = 960,719,436,082.94/1,131,507.69
  6. Step 6: Final answer
    x = 849,061.34

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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.