Home / 1,193,258.67-1,646,665.41-649,382.78

Finding the Fourth Proportional to 1,193,258.67, 1,646,665.41 and 649,382.78

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Solution

The fourth proportional to 1,193,258.67, 1,646,665.41 and 649,382.78 is: 896,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,258.67 : 1,646,665.41 = 649,382.78 : x
  2. Step 2: Convert to fraction form
    1,193,258.67/1,646,665.41 = 649,382.78/x
  3. Step 3: Cross multiply
    1,193,258.67x = 1,646,665.41 × 649,382.78
  4. Step 4: Simplify right side
    1,193,258.67x = 1,069,316,161,675.64
  5. Step 5: Solve for x
    x = 1,069,316,161,675.64/1,193,258.67
  6. Step 6: Final answer
    x = 896,131.06

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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.