Home / 517,975.66-776,962.41-163,020.70

Finding the Fourth Proportional to 517,975.66, 776,962.41 and 163,020.70

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Solution

The fourth proportional to 517,975.66, 776,962.41 and 163,020.70 is: 244,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,975.66 : 776,962.41 = 163,020.70 : x
  2. Step 2: Convert to fraction form
    517,975.66/776,962.41 = 163,020.70/x
  3. Step 3: Cross multiply
    517,975.66x = 776,962.41 × 163,020.70
  4. Step 4: Simplify right side
    517,975.66x = 126,660,955,951.89
  5. Step 5: Solve for x
    x = 126,660,955,951.89/517,975.66
  6. Step 6: Final answer
    x = 244,530.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.