Home / 1,071,765.80-1,607,648.70-441,132.20

Finding the Fourth Proportional to 1,071,765.80, 1,607,648.70 and 441,132.20

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Solution

The fourth proportional to 1,071,765.80, 1,607,648.70 and 441,132.20 is: 661,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,765.80 : 1,607,648.70 = 441,132.20 : x
  2. Step 2: Convert to fraction form
    1,071,765.80/1,607,648.70 = 441,132.20/x
  3. Step 3: Cross multiply
    1,071,765.80x = 1,607,648.70 × 441,132.20
  4. Step 4: Simplify right side
    1,071,765.80x = 709,185,607,858.14
  5. Step 5: Solve for x
    x = 709,185,607,858.14/1,071,765.80
  6. Step 6: Final answer
    x = 661,698.30

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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.