Home / 741,049.80-1,111,543.74-314,468.52

Finding the Fourth Proportional to 741,049.80, 1,111,543.74 and 314,468.52

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Solution

The fourth proportional to 741,049.80, 1,111,543.74 and 314,468.52 is: 471,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,049.80 : 1,111,543.74 = 314,468.52 : x
  2. Step 2: Convert to fraction form
    741,049.80/1,111,543.74 = 314,468.52/x
  3. Step 3: Cross multiply
    741,049.80x = 1,111,543.74 × 314,468.52
  4. Step 4: Simplify right side
    741,049.80x = 349,545,514,833.07
  5. Step 5: Solve for x
    x = 349,545,514,833.07/741,049.80
  6. Step 6: Final answer
    x = 471,689.64

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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.