Home / 1,081,442.32-1,491,894.36-699,592.24

Finding the Fourth Proportional to 1,081,442.32, 1,491,894.36 and 699,592.24

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Solution

The fourth proportional to 1,081,442.32, 1,491,894.36 and 699,592.24 is: 965,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,442.32 : 1,491,894.36 = 699,592.24 : x
  2. Step 2: Convert to fraction form
    1,081,442.32/1,491,894.36 = 699,592.24/x
  3. Step 3: Cross multiply
    1,081,442.32x = 1,491,894.36 × 699,592.24
  4. Step 4: Simplify right side
    1,081,442.32x = 1,043,717,717,155.77
  5. Step 5: Solve for x
    x = 1,043,717,717,155.77/1,081,442.32
  6. Step 6: Final answer
    x = 965,116.40

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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.