Home / 1,131,505.14-1,561,480.32-615,259.23

Finding the Fourth Proportional to 1,131,505.14, 1,561,480.32 and 615,259.23

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Solution

The fourth proportional to 1,131,505.14, 1,561,480.32 and 615,259.23 is: 849,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,505.14 : 1,561,480.32 = 615,259.23 : x
  2. Step 2: Convert to fraction form
    1,131,505.14/1,561,480.32 = 615,259.23/x
  3. Step 3: Cross multiply
    1,131,505.14x = 1,561,480.32 × 615,259.23
  4. Step 4: Simplify right side
    1,131,505.14x = 960,715,177,982.89
  5. Step 5: Solve for x
    x = 960,715,177,982.89/1,131,505.14
  6. Step 6: Final answer
    x = 849,059.49

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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.