Home / 644,023.80-966,035.70-329,095.80

Finding the Fourth Proportional to 644,023.80, 966,035.70 and 329,095.80

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Solution

The fourth proportional to 644,023.80, 966,035.70 and 329,095.80 is: 493,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,023.80 : 966,035.70 = 329,095.80 : x
  2. Step 2: Convert to fraction form
    644,023.80/966,035.70 = 329,095.80/x
  3. Step 3: Cross multiply
    644,023.80x = 966,035.70 × 329,095.80
  4. Step 4: Simplify right side
    644,023.80x = 317,918,291,520.06
  5. Step 5: Solve for x
    x = 317,918,291,520.06/644,023.80
  6. Step 6: Final answer
    x = 493,643.70

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Similar ratio
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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.