Home / 1,940,743.20-2,911,114.80-876,295.20

Finding the Fourth Proportional to 1,940,743.20, 2,911,114.80 and 876,295.20

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Solution

The fourth proportional to 1,940,743.20, 2,911,114.80 and 876,295.20 is: 1,314,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,743.20 : 2,911,114.80 = 876,295.20 : x
  2. Step 2: Convert to fraction form
    1,940,743.20/2,911,114.80 = 876,295.20/x
  3. Step 3: Cross multiply
    1,940,743.20x = 2,911,114.80 × 876,295.20
  4. Step 4: Simplify right side
    1,940,743.20x = 2,550,995,925,888.96
  5. Step 5: Solve for x
    x = 2,550,995,925,888.96/1,940,743.20
  6. Step 6: Final answer
    x = 1,314,442.80

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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.