Home / 550,987.29-826,159.81-213,633.83

Finding the Fourth Proportional to 550,987.29, 826,159.81 and 213,633.83

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Solution

The fourth proportional to 550,987.29, 826,159.81 and 213,633.83 is: 320,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,987.29 : 826,159.81 = 213,633.83 : x
  2. Step 2: Convert to fraction form
    550,987.29/826,159.81 = 213,633.83/x
  3. Step 3: Cross multiply
    550,987.29x = 826,159.81 × 213,633.83
  4. Step 4: Simplify right side
    550,987.29x = 176,495,685,851.08
  5. Step 5: Solve for x
    x = 176,495,685,851.08/550,987.29
  6. Step 6: Final answer
    x = 320,326.24

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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.