Home / 1,253,097.18-1,729,227.78-680,125.05

Finding the Fourth Proportional to 1,253,097.18, 1,729,227.78 and 680,125.05

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Solution

The fourth proportional to 1,253,097.18, 1,729,227.78 and 680,125.05 is: 938,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,097.18 : 1,729,227.78 = 680,125.05 : x
  2. Step 2: Convert to fraction form
    1,253,097.18/1,729,227.78 = 680,125.05/x
  3. Step 3: Cross multiply
    1,253,097.18x = 1,729,227.78 × 680,125.05
  4. Step 4: Simplify right side
    1,253,097.18x = 1,176,091,130,333.89
  5. Step 5: Solve for x
    x = 1,176,091,130,333.89/1,253,097.18
  6. Step 6: Final answer
    x = 938,547.42

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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.