Home / 1,253,297.02-1,729,552.08-680,337.58

Finding the Fourth Proportional to 1,253,297.02, 1,729,552.08 and 680,337.58

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Solution

The fourth proportional to 1,253,297.02, 1,729,552.08 and 680,337.58 is: 938,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,297.02 : 1,729,552.08 = 680,337.58 : x
  2. Step 2: Convert to fraction form
    1,253,297.02/1,729,552.08 = 680,337.58/x
  3. Step 3: Cross multiply
    1,253,297.02x = 1,729,552.08 × 680,337.58
  4. Step 4: Simplify right side
    1,253,297.02x = 1,176,679,276,591.17
  5. Step 5: Solve for x
    x = 1,176,679,276,591.17/1,253,297.02
  6. Step 6: Final answer
    x = 938,867.05

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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.