Home / 497,191.84-686,121.24-270,837.34

Finding the Fourth Proportional to 497,191.84, 686,121.24 and 270,837.34

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Solution

The fourth proportional to 497,191.84, 686,121.24 and 270,837.34 is: 373,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,191.84 : 686,121.24 = 270,837.34 : x
  2. Step 2: Convert to fraction form
    497,191.84/686,121.24 = 270,837.34/x
  3. Step 3: Cross multiply
    497,191.84x = 686,121.24 × 270,837.34
  4. Step 4: Simplify right side
    497,191.84x = 185,827,251,559.10
  5. Step 5: Solve for x
    x = 185,827,251,559.10/497,191.84
  6. Step 6: Final answer
    x = 373,753.62

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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.