Home / 778,967.40-1,168,451.10-443,044.20

Finding the Fourth Proportional to 778,967.40, 1,168,451.10 and 443,044.20

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Solution

The fourth proportional to 778,967.40, 1,168,451.10 and 443,044.20 is: 664,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,967.40 : 1,168,451.10 = 443,044.20 : x
  2. Step 2: Convert to fraction form
    778,967.40/1,168,451.10 = 443,044.20/x
  3. Step 3: Cross multiply
    778,967.40x = 1,168,451.10 × 443,044.20
  4. Step 4: Simplify right side
    778,967.40x = 517,675,482,838.62
  5. Step 5: Solve for x
    x = 517,675,482,838.62/778,967.40
  6. Step 6: Final answer
    x = 664,566.30

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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.