Home / 939,064.20-1,408,596.30-377,809.80

Finding the Fourth Proportional to 939,064.20, 1,408,596.30 and 377,809.80

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Solution

The fourth proportional to 939,064.20, 1,408,596.30 and 377,809.80 is: 566,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,064.20 : 1,408,596.30 = 377,809.80 : x
  2. Step 2: Convert to fraction form
    939,064.20/1,408,596.30 = 377,809.80/x
  3. Step 3: Cross multiply
    939,064.20x = 1,408,596.30 × 377,809.80
  4. Step 4: Simplify right side
    939,064.20x = 532,181,486,383.74
  5. Step 5: Solve for x
    x = 532,181,486,383.74/939,064.20
  6. Step 6: Final answer
    x = 566,714.70

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Double scale
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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.