Home / 919,561.77-1,268,805.05-537,514.65

Finding the Fourth Proportional to 919,561.77, 1,268,805.05 and 537,514.65

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Solution

The fourth proportional to 919,561.77, 1,268,805.05 and 537,514.65 is: 741,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,561.77 : 1,268,805.05 = 537,514.65 : x
  2. Step 2: Convert to fraction form
    919,561.77/1,268,805.05 = 537,514.65/x
  3. Step 3: Cross multiply
    919,561.77x = 1,268,805.05 × 537,514.65
  4. Step 4: Simplify right side
    919,561.77x = 682,001,296,024.96
  5. Step 5: Solve for x
    x = 682,001,296,024.96/919,561.77
  6. Step 6: Final answer
    x = 741,659.04

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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.