Home / 1,191,700.80-1,787,551.20-1,104,220.80

Finding the Fourth Proportional to 1,191,700.80, 1,787,551.20 and 1,104,220.80

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Solution

The fourth proportional to 1,191,700.80, 1,787,551.20 and 1,104,220.80 is: 1,656,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,700.80 : 1,787,551.20 = 1,104,220.80 : x
  2. Step 2: Convert to fraction form
    1,191,700.80/1,787,551.20 = 1,104,220.80/x
  3. Step 3: Cross multiply
    1,191,700.80x = 1,787,551.20 × 1,104,220.80
  4. Step 4: Simplify right side
    1,191,700.80x = 1,973,851,216,104.96
  5. Step 5: Solve for x
    x = 1,973,851,216,104.96/1,191,700.80
  6. Step 6: Final answer
    x = 1,656,331.20

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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.