Home / 720,973.73-1,081,366.73-188,535.83

Finding the Fourth Proportional to 720,973.73, 1,081,366.73 and 188,535.83

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Solution

The fourth proportional to 720,973.73, 1,081,366.73 and 188,535.83 is: 282,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,973.73 : 1,081,366.73 = 188,535.83 : x
  2. Step 2: Convert to fraction form
    720,973.73/1,081,366.73 = 188,535.83/x
  3. Step 3: Cross multiply
    720,973.73x = 1,081,366.73 × 188,535.83
  4. Step 4: Simplify right side
    720,973.73x = 203,876,367,625.42
  5. Step 5: Solve for x
    x = 203,876,367,625.42/720,973.73
  6. Step 6: Final answer
    x = 282,779.19

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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.