Home / 2,650,740.80-3,976,111.20-877,812.80

Finding the Fourth Proportional to 2,650,740.80, 3,976,111.20 and 877,812.80

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Solution

The fourth proportional to 2,650,740.80, 3,976,111.20 and 877,812.80 is: 1,316,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,740.80 : 3,976,111.20 = 877,812.80 : x
  2. Step 2: Convert to fraction form
    2,650,740.80/3,976,111.20 = 877,812.80/x
  3. Step 3: Cross multiply
    2,650,740.80x = 3,976,111.20 × 877,812.80
  4. Step 4: Simplify right side
    2,650,740.80x = 3,490,281,305,583.36
  5. Step 5: Solve for x
    x = 3,490,281,305,583.36/2,650,740.80
  6. Step 6: Final answer
    x = 1,316,719.20

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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.