Home / 1,182,166.63-1,631,391.77-672,869

Finding the Fourth Proportional to 1,182,166.63, 1,631,391.77 and 672,869

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Solution

The fourth proportional to 1,182,166.63, 1,631,391.77 and 672,869 is: 928,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,166.63 : 1,631,391.77 = 672,869 : x
  2. Step 2: Convert to fraction form
    1,182,166.63/1,631,391.77 = 672,869/x
  3. Step 3: Cross multiply
    1,182,166.63x = 1,631,391.77 × 672,869
  4. Step 4: Simplify right side
    1,182,166.63x = 1,097,712,948,888.13
  5. Step 5: Solve for x
    x = 1,097,712,948,888.13/1,182,166.63
  6. Step 6: Final answer
    x = 928,560.26

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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.