Home / 688,169.01-949,660.55-382,233.23

Finding the Fourth Proportional to 688,169.01, 949,660.55 and 382,233.23

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Solution

The fourth proportional to 688,169.01, 949,660.55 and 382,233.23 is: 527,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,169.01 : 949,660.55 = 382,233.23 : x
  2. Step 2: Convert to fraction form
    688,169.01/949,660.55 = 382,233.23/x
  3. Step 3: Cross multiply
    688,169.01x = 949,660.55 × 382,233.23
  4. Step 4: Simplify right side
    688,169.01x = 362,991,819,915.27
  5. Step 5: Solve for x
    x = 362,991,819,915.27/688,169.01
  6. Step 6: Final answer
    x = 527,474.81

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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.