Home / 859,169.23-1,185,521.87-496,523.12

Finding the Fourth Proportional to 859,169.23, 1,185,521.87 and 496,523.12

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Solution

The fourth proportional to 859,169.23, 1,185,521.87 and 496,523.12 is: 685,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,169.23 : 1,185,521.87 = 496,523.12 : x
  2. Step 2: Convert to fraction form
    859,169.23/1,185,521.87 = 496,523.12/x
  3. Step 3: Cross multiply
    859,169.23x = 1,185,521.87 × 496,523.12
  4. Step 4: Simplify right side
    859,169.23x = 588,639,013,034.33
  5. Step 5: Solve for x
    x = 588,639,013,034.33/859,169.23
  6. Step 6: Final answer
    x = 685,125.81

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1.5x scale

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.