Home / 1,131,355.37-1,561,301.02-615,143.92

Finding the Fourth Proportional to 1,131,355.37, 1,561,301.02 and 615,143.92

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Solution

The fourth proportional to 1,131,355.37, 1,561,301.02 and 615,143.92 is: 848,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,355.37 : 1,561,301.02 = 615,143.92 : x
  2. Step 2: Convert to fraction form
    1,131,355.37/1,561,301.02 = 615,143.92/x
  3. Step 3: Cross multiply
    1,131,355.37x = 1,561,301.02 × 615,143.92
  4. Step 4: Simplify right side
    1,131,355.37x = 960,424,821,936.29
  5. Step 5: Solve for x
    x = 960,424,821,936.29/1,131,355.37
  6. Step 6: Final answer
    x = 848,915.25

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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.