Home / 1,253,570.11-1,729,926.69-680,610.35

Finding the Fourth Proportional to 1,253,570.11, 1,729,926.69 and 680,610.35

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Solution

The fourth proportional to 1,253,570.11, 1,729,926.69 and 680,610.35 is: 939,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,570.11 : 1,729,926.69 = 680,610.35 : x
  2. Step 2: Convert to fraction form
    1,253,570.11/1,729,926.69 = 680,610.35/x
  3. Step 3: Cross multiply
    1,253,570.11x = 1,729,926.69 × 680,610.35
  4. Step 4: Simplify right side
    1,253,570.11x = 1,177,406,009,955.24
  5. Step 5: Solve for x
    x = 1,177,406,009,955.24/1,253,570.11
  6. Step 6: Final answer
    x = 939,242.25

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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.