Home / 1,329,577.60-1,993,005.60-654,620.80

Finding the Fourth Proportional to 1,329,577.60, 1,993,005.60 and 654,620.80

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Solution

The fourth proportional to 1,329,577.60, 1,993,005.60 and 654,620.80 is: 981,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,577.60 : 1,993,005.60 = 654,620.80 : x
  2. Step 2: Convert to fraction form
    1,329,577.60/1,993,005.60 = 654,620.80/x
  3. Step 3: Cross multiply
    1,329,577.60x = 1,993,005.60 × 654,620.80
  4. Step 4: Simplify right side
    1,329,577.60x = 1,304,662,920,276.48
  5. Step 5: Solve for x
    x = 1,304,662,920,276.48/1,329,577.60
  6. Step 6: Final answer
    x = 981,261.21

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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.