Home / 869,697.26-1,200,238.99-502,189.90

Finding the Fourth Proportional to 869,697.26, 1,200,238.99 and 502,189.90

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Solution

The fourth proportional to 869,697.26, 1,200,238.99 and 502,189.90 is: 693,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,697.26 : 1,200,238.99 = 502,189.90 : x
  2. Step 2: Convert to fraction form
    869,697.26/1,200,238.99 = 502,189.90/x
  3. Step 3: Cross multiply
    869,697.26x = 1,200,238.99 × 502,189.90
  4. Step 4: Simplify right side
    869,697.26x = 602,747,895,853.25
  5. Step 5: Solve for x
    x = 602,747,895,853.25/869,697.26
  6. Step 6: Final answer
    x = 693,054.84

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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.