Home / 1,182,165.75-1,631,390.56-672,868.13

Finding the Fourth Proportional to 1,182,165.75, 1,631,390.56 and 672,868.13

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Solution

The fourth proportional to 1,182,165.75, 1,631,390.56 and 672,868.13 is: 928,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,165.75 : 1,631,390.56 = 672,868.13 : x
  2. Step 2: Convert to fraction form
    1,182,165.75/1,631,390.56 = 672,868.13/x
  3. Step 3: Cross multiply
    1,182,165.75x = 1,631,390.56 × 672,868.13
  4. Step 4: Simplify right side
    1,182,165.75x = 1,097,710,705,567.73
  5. Step 5: Solve for x
    x = 1,097,710,705,567.73/1,182,165.75
  6. Step 6: Final answer
    x = 928,559.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.