Home / 743,886.90-1,115,830.35-444,705.30

Finding the Fourth Proportional to 743,886.90, 1,115,830.35 and 444,705.30

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Solution

The fourth proportional to 743,886.90, 1,115,830.35 and 444,705.30 is: 667,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,886.90 : 1,115,830.35 = 444,705.30 : x
  2. Step 2: Convert to fraction form
    743,886.90/1,115,830.35 = 444,705.30/x
  3. Step 3: Cross multiply
    743,886.90x = 1,115,830.35 × 444,705.30
  4. Step 4: Simplify right side
    743,886.90x = 496,215,670,545.86
  5. Step 5: Solve for x
    x = 496,215,670,545.86/743,886.90
  6. Step 6: Final answer
    x = 667,057.95

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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.