Home / 1,116,379.62-1,540,671.21-657,799.92

Finding the Fourth Proportional to 1,116,379.62, 1,540,671.21 and 657,799.92

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Solution

The fourth proportional to 1,116,379.62, 1,540,671.21 and 657,799.92 is: 907,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,379.62 : 1,540,671.21 = 657,799.92 : x
  2. Step 2: Convert to fraction form
    1,116,379.62/1,540,671.21 = 657,799.92/x
  3. Step 3: Cross multiply
    1,116,379.62x = 1,540,671.21 × 657,799.92
  4. Step 4: Simplify right side
    1,116,379.62x = 1,013,453,398,684.30
  5. Step 5: Solve for x
    x = 1,013,453,398,684.30/1,116,379.62
  6. Step 6: Final answer
    x = 907,803.56

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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.