Home / 1,131,355.71-1,561,301.50-615,144.26

Finding the Fourth Proportional to 1,131,355.71, 1,561,301.50 and 615,144.26

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Solution

The fourth proportional to 1,131,355.71, 1,561,301.50 and 615,144.26 is: 848,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,355.71 : 1,561,301.50 = 615,144.26 : x
  2. Step 2: Convert to fraction form
    1,131,355.71/1,561,301.50 = 615,144.26/x
  3. Step 3: Cross multiply
    1,131,355.71x = 1,561,301.50 × 615,144.26
  4. Step 4: Simplify right side
    1,131,355.71x = 960,425,658,219.78
  5. Step 5: Solve for x
    x = 960,425,658,219.78/1,131,355.71
  6. Step 6: Final answer
    x = 848,915.73

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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.