Home / 497,319.75-686,301.26-270,965.25

Finding the Fourth Proportional to 497,319.75, 686,301.26 and 270,965.25

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Solution

The fourth proportional to 497,319.75, 686,301.26 and 270,965.25 is: 373,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,319.75 : 686,301.26 = 270,965.25 : x
  2. Step 2: Convert to fraction form
    497,319.75/686,301.26 = 270,965.25/x
  3. Step 3: Cross multiply
    497,319.75x = 686,301.26 × 270,965.25
  4. Step 4: Simplify right side
    497,319.75x = 185,963,791,136.39
  5. Step 5: Solve for x
    x = 185,963,791,136.39/497,319.75
  6. Step 6: Final answer
    x = 373,932.05

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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.