Home / 1,253,093.36-1,729,264.47-680,133.53

Finding the Fourth Proportional to 1,253,093.36, 1,729,264.47 and 680,133.53

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Solution

The fourth proportional to 1,253,093.36, 1,729,264.47 and 680,133.53 is: 938,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,093.36 : 1,729,264.47 = 680,133.53 : x
  2. Step 2: Convert to fraction form
    1,253,093.36/1,729,264.47 = 680,133.53/x
  3. Step 3: Cross multiply
    1,253,093.36x = 1,729,264.47 × 680,133.53
  4. Step 4: Simplify right side
    1,253,093.36x = 1,176,130,739,638.36
  5. Step 5: Solve for x
    x = 1,176,130,739,638.36/1,253,093.36
  6. Step 6: Final answer
    x = 938,581.90

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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.