Home / 1,403,442.30-2,102,053.05-1,086,872.70

Finding the Fourth Proportional to 1,403,442.30, 2,102,053.05 and 1,086,872.70

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Solution

The fourth proportional to 1,403,442.30, 2,102,053.05 and 1,086,872.70 is: 1,627,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,442.30 : 2,102,053.05 = 1,086,872.70 : x
  2. Step 2: Convert to fraction form
    1,403,442.30/2,102,053.05 = 1,086,872.70/x
  3. Step 3: Cross multiply
    1,403,442.30x = 2,102,053.05 × 1,086,872.70
  4. Step 4: Simplify right side
    1,403,442.30x = 2,284,664,073,996.74
  5. Step 5: Solve for x
    x = 2,284,664,073,996.74/1,403,442.30
  6. Step 6: Final answer
    x = 1,627,900.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.