Home / 2,585,577.56-3,878,366.34-812,649.56

Finding the Fourth Proportional to 2,585,577.56, 3,878,366.34 and 812,649.56

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Solution

The fourth proportional to 2,585,577.56, 3,878,366.34 and 812,649.56 is: 1,218,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,577.56 : 3,878,366.34 = 812,649.56 : x
  2. Step 2: Convert to fraction form
    2,585,577.56/3,878,366.34 = 812,649.56/x
  3. Step 3: Cross multiply
    2,585,577.56x = 3,878,366.34 × 812,649.56
  4. Step 4: Simplify right side
    2,585,577.56x = 3,151,752,699,719.81
  5. Step 5: Solve for x
    x = 3,151,752,699,719.81/2,585,577.56
  6. Step 6: Final answer
    x = 1,218,974.34

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Similar ratio
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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.