Home / 643,534.45-965,555.62-244,281.20

Finding the Fourth Proportional to 643,534.45, 965,555.62 and 244,281.20

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Solution

The fourth proportional to 643,534.45, 965,555.62 and 244,281.20 is: 366,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,534.45 : 965,555.62 = 244,281.20 : x
  2. Step 2: Convert to fraction form
    643,534.45/965,555.62 = 244,281.20/x
  3. Step 3: Cross multiply
    643,534.45x = 965,555.62 × 244,281.20
  4. Step 4: Simplify right side
    643,534.45x = 235,867,080,081.86
  5. Step 5: Solve for x
    x = 235,867,080,081.86/643,534.45
  6. Step 6: Final answer
    x = 366,518.19

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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.