Home / 1,198,663.95-1,652,612.70-854,891.85

Finding the Fourth Proportional to 1,198,663.95, 1,652,612.70 and 854,891.85

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Solution

The fourth proportional to 1,198,663.95, 1,652,612.70 and 854,891.85 is: 1,178,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,663.95 : 1,652,612.70 = 854,891.85 : x
  2. Step 2: Convert to fraction form
    1,198,663.95/1,652,612.70 = 854,891.85/x
  3. Step 3: Cross multiply
    1,198,663.95x = 1,652,612.70 × 854,891.85
  4. Step 4: Simplify right side
    1,198,663.95x = 1,412,805,128,436.50
  5. Step 5: Solve for x
    x = 1,412,805,128,436.50/1,198,663.95
  6. Step 6: Final answer
    x = 1,178,649.89

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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.