Home / 784,205.80-1,176,308.70-468,500.20

Finding the Fourth Proportional to 784,205.80, 1,176,308.70 and 468,500.20

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Solution

The fourth proportional to 784,205.80, 1,176,308.70 and 468,500.20 is: 702,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,205.80 : 1,176,308.70 = 468,500.20 : x
  2. Step 2: Convert to fraction form
    784,205.80/1,176,308.70 = 468,500.20/x
  3. Step 3: Cross multiply
    784,205.80x = 1,176,308.70 × 468,500.20
  4. Step 4: Simplify right side
    784,205.80x = 551,100,861,211.74
  5. Step 5: Solve for x
    x = 551,100,861,211.74/784,205.80
  6. Step 6: Final answer
    x = 702,750.30

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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.