Home / 778,975.80-1,168,463.70-441,886.20

Finding the Fourth Proportional to 778,975.80, 1,168,463.70 and 441,886.20

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Solution

The fourth proportional to 778,975.80, 1,168,463.70 and 441,886.20 is: 662,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,975.80 : 1,168,463.70 = 441,886.20 : x
  2. Step 2: Convert to fraction form
    778,975.80/1,168,463.70 = 441,886.20/x
  3. Step 3: Cross multiply
    778,975.80x = 1,168,463.70 × 441,886.20
  4. Step 4: Simplify right side
    778,975.80x = 516,327,984,230.94
  5. Step 5: Solve for x
    x = 516,327,984,230.94/778,975.80
  6. Step 6: Final answer
    x = 662,829.30

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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.