Home / 1,253,133.66-1,729,326.20-680,173.96

Finding the Fourth Proportional to 1,253,133.66, 1,729,326.20 and 680,173.96

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Solution

The fourth proportional to 1,253,133.66, 1,729,326.20 and 680,173.96 is: 938,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,133.66 : 1,729,326.20 = 680,173.96 : x
  2. Step 2: Convert to fraction form
    1,253,133.66/1,729,326.20 = 680,173.96/x
  3. Step 3: Cross multiply
    1,253,133.66x = 1,729,326.20 × 680,173.96
  4. Step 4: Simplify right side
    1,253,133.66x = 1,176,242,649,585.75
  5. Step 5: Solve for x
    x = 1,176,242,649,585.75/1,253,133.66
  6. Step 6: Final answer
    x = 938,641.01

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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.