Home / 1,182,176.88-1,631,405.91-672,879.25

Finding the Fourth Proportional to 1,182,176.88, 1,631,405.91 and 672,879.25

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Solution

The fourth proportional to 1,182,176.88, 1,631,405.91 and 672,879.25 is: 928,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,176.88 : 1,631,405.91 = 672,879.25 : x
  2. Step 2: Convert to fraction form
    1,182,176.88/1,631,405.91 = 672,879.25/x
  3. Step 3: Cross multiply
    1,182,176.88x = 1,631,405.91 × 672,879.25
  4. Step 4: Simplify right side
    1,182,176.88x = 1,097,739,185,166.37
  5. Step 5: Solve for x
    x = 1,097,739,185,166.37/1,182,176.88
  6. Step 6: Final answer
    x = 928,574.40

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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.