Home / 696,100.20-1,044,150.30-486,148.20

Finding the Fourth Proportional to 696,100.20, 1,044,150.30 and 486,148.20

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Solution

The fourth proportional to 696,100.20, 1,044,150.30 and 486,148.20 is: 729,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,100.20 : 1,044,150.30 = 486,148.20 : x
  2. Step 2: Convert to fraction form
    696,100.20/1,044,150.30 = 486,148.20/x
  3. Step 3: Cross multiply
    696,100.20x = 1,044,150.30 × 486,148.20
  4. Step 4: Simplify right side
    696,100.20x = 507,611,788,874.46
  5. Step 5: Solve for x
    x = 507,611,788,874.46/696,100.20
  6. Step 6: Final answer
    x = 729,222.30

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Half scale
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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.