Home / 1,204,397.48-1,657,896.18-1,040,978.90

Finding the Fourth Proportional to 1,204,397.48, 1,657,896.18 and 1,040,978.90

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Solution

The fourth proportional to 1,204,397.48, 1,657,896.18 and 1,040,978.90 is: 1,432,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,397.48 : 1,657,896.18 = 1,040,978.90 : x
  2. Step 2: Convert to fraction form
    1,204,397.48/1,657,896.18 = 1,040,978.90/x
  3. Step 3: Cross multiply
    1,204,397.48x = 1,657,896.18 × 1,040,978.90
  4. Step 4: Simplify right side
    1,204,397.48x = 1,725,834,941,770.60
  5. Step 5: Solve for x
    x = 1,725,834,941,770.60/1,204,397.48
  6. Step 6: Final answer
    x = 1,432,944.66

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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.