Home / 869,479.68-1,199,853.60-482,293.44

Finding the Fourth Proportional to 869,479.68, 1,199,853.60 and 482,293.44

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Solution

The fourth proportional to 869,479.68, 1,199,853.60 and 482,293.44 is: 665,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,479.68 : 1,199,853.60 = 482,293.44 : x
  2. Step 2: Convert to fraction form
    869,479.68/1,199,853.60 = 482,293.44/x
  3. Step 3: Cross multiply
    869,479.68x = 1,199,853.60 × 482,293.44
  4. Step 4: Simplify right side
    869,479.68x = 578,681,520,240.38
  5. Step 5: Solve for x
    x = 578,681,520,240.38/869,479.68
  6. Step 6: Final answer
    x = 665,549.22

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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.