Home / 741,620.61-1,111,285.92-500,790.66

Finding the Fourth Proportional to 741,620.61, 1,111,285.92 and 500,790.66

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Solution

The fourth proportional to 741,620.61, 1,111,285.92 and 500,790.66 is: 750,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,620.61 : 1,111,285.92 = 500,790.66 : x
  2. Step 2: Convert to fraction form
    741,620.61/1,111,285.92 = 500,790.66/x
  3. Step 3: Cross multiply
    741,620.61x = 1,111,285.92 × 500,790.66
  4. Step 4: Simplify right side
    741,620.61x = 556,521,609,325.51
  5. Step 5: Solve for x
    x = 556,521,609,325.51/741,620.61
  6. Step 6: Final answer
    x = 750,412.81

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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.