Home / 517,648.20-776,909.70-202,331.40

Finding the Fourth Proportional to 517,648.20, 776,909.70 and 202,331.40

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Solution

The fourth proportional to 517,648.20, 776,909.70 and 202,331.40 is: 303,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,648.20 : 776,909.70 = 202,331.40 : x
  2. Step 2: Convert to fraction form
    517,648.20/776,909.70 = 202,331.40/x
  3. Step 3: Cross multiply
    517,648.20x = 776,909.70 × 202,331.40
  4. Step 4: Simplify right side
    517,648.20x = 157,193,227,274.58
  5. Step 5: Solve for x
    x = 157,193,227,274.58/517,648.20
  6. Step 6: Final answer
    x = 303,668.07

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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.