Home / 1,252,419.44-1,728,342.17-679,459.61

Finding the Fourth Proportional to 1,252,419.44, 1,728,342.17 and 679,459.61

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Solution

The fourth proportional to 1,252,419.44, 1,728,342.17 and 679,459.61 is: 937,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,419.44 : 1,728,342.17 = 679,459.61 : x
  2. Step 2: Convert to fraction form
    1,252,419.44/1,728,342.17 = 679,459.61/x
  3. Step 3: Cross multiply
    1,252,419.44x = 1,728,342.17 × 679,459.61
  4. Step 4: Simplify right side
    1,252,419.44x = 1,174,338,696,774.75
  5. Step 5: Solve for x
    x = 1,174,338,696,774.75/1,252,419.44
  6. Step 6: Final answer
    x = 937,656.08

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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.