Home / 644,637.38-966,848.82-195,251.40

Finding the Fourth Proportional to 644,637.38, 966,848.82 and 195,251.40

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Solution

The fourth proportional to 644,637.38, 966,848.82 and 195,251.40 is: 292,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,637.38 : 966,848.82 = 195,251.40 : x
  2. Step 2: Convert to fraction form
    644,637.38/966,848.82 = 195,251.40/x
  3. Step 3: Cross multiply
    644,637.38x = 966,848.82 × 195,251.40
  4. Step 4: Simplify right side
    644,637.38x = 188,778,585,693.35
  5. Step 5: Solve for x
    x = 188,778,585,693.35/644,637.38
  6. Step 6: Final answer
    x = 292,844.62

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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.