Home / 823,007.70-1,234,511.55-767,711.70

Finding the Fourth Proportional to 823,007.70, 1,234,511.55 and 767,711.70

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Solution

The fourth proportional to 823,007.70, 1,234,511.55 and 767,711.70 is: 1,151,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,007.70 : 1,234,511.55 = 767,711.70 : x
  2. Step 2: Convert to fraction form
    823,007.70/1,234,511.55 = 767,711.70/x
  3. Step 3: Cross multiply
    823,007.70x = 1,234,511.55 × 767,711.70
  4. Step 4: Simplify right side
    823,007.70x = 947,748,960,720.14
  5. Step 5: Solve for x
    x = 947,748,960,720.14/823,007.70
  6. Step 6: Final answer
    x = 1,151,567.55

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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.