Home / 864,169.34-1,192,375.61-496,575.45

Finding the Fourth Proportional to 864,169.34, 1,192,375.61 and 496,575.45

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Solution

The fourth proportional to 864,169.34, 1,192,375.61 and 496,575.45 is: 685,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,169.34 : 1,192,375.61 = 496,575.45 : x
  2. Step 2: Convert to fraction form
    864,169.34/1,192,375.61 = 496,575.45/x
  3. Step 3: Cross multiply
    864,169.34x = 1,192,375.61 × 496,575.45
  4. Step 4: Simplify right side
    864,169.34x = 592,104,452,621.90
  5. Step 5: Solve for x
    x = 592,104,452,621.90/864,169.34
  6. Step 6: Final answer
    x = 685,171.79

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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.