Home / 1,157,391.82-1,597,156.68-648,068.68

Finding the Fourth Proportional to 1,157,391.82, 1,597,156.68 and 648,068.68

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Solution

The fourth proportional to 1,157,391.82, 1,597,156.68 and 648,068.68 is: 894,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,391.82 : 1,597,156.68 = 648,068.68 : x
  2. Step 2: Convert to fraction form
    1,157,391.82/1,597,156.68 = 648,068.68/x
  3. Step 3: Cross multiply
    1,157,391.82x = 1,597,156.68 × 648,068.68
  4. Step 4: Simplify right side
    1,157,391.82x = 1,035,067,221,360.78
  5. Step 5: Solve for x
    x = 1,035,067,221,360.78/1,157,391.82
  6. Step 6: Final answer
    x = 894,310.12

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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.