Home / 644,518.80-966,778.20-441,565.20

Finding the Fourth Proportional to 644,518.80, 966,778.20 and 441,565.20

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Solution

The fourth proportional to 644,518.80, 966,778.20 and 441,565.20 is: 662,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,518.80 : 966,778.20 = 441,565.20 : x
  2. Step 2: Convert to fraction form
    644,518.80/966,778.20 = 441,565.20/x
  3. Step 3: Cross multiply
    644,518.80x = 966,778.20 × 441,565.20
  4. Step 4: Simplify right side
    644,518.80x = 426,895,609,238.64
  5. Step 5: Solve for x
    x = 426,895,609,238.64/644,518.80
  6. Step 6: Final answer
    x = 662,347.80

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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.