Home / 558,581.56-770,711.38-316,808.44

Finding the Fourth Proportional to 558,581.56, 770,711.38 and 316,808.44

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Solution

The fourth proportional to 558,581.56, 770,711.38 and 316,808.44 is: 437,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,581.56 : 770,711.38 = 316,808.44 : x
  2. Step 2: Convert to fraction form
    558,581.56/770,711.38 = 316,808.44/x
  3. Step 3: Cross multiply
    558,581.56x = 770,711.38 × 316,808.44
  4. Step 4: Simplify right side
    558,581.56x = 244,167,869,988.05
  5. Step 5: Solve for x
    x = 244,167,869,988.05/558,581.56
  6. Step 6: Final answer
    x = 437,121.25

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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.