Home / 687,164.49-949,195.85-572,816.97

Finding the Fourth Proportional to 687,164.49, 949,195.85 and 572,816.97

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Solution

The fourth proportional to 687,164.49, 949,195.85 and 572,816.97 is: 791,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,164.49 : 949,195.85 = 572,816.97 : x
  2. Step 2: Convert to fraction form
    687,164.49/949,195.85 = 572,816.97/x
  3. Step 3: Cross multiply
    687,164.49x = 949,195.85 × 572,816.97
  4. Step 4: Simplify right side
    687,164.49x = 543,715,487,869.49
  5. Step 5: Solve for x
    x = 543,715,487,869.49/687,164.49
  6. Step 6: Final answer
    x = 791,245.03

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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.