Home / 778,515.70-1,168,234.35-513,043.70

Finding the Fourth Proportional to 778,515.70, 1,168,234.35 and 513,043.70

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Solution

The fourth proportional to 778,515.70, 1,168,234.35 and 513,043.70 is: 769,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,515.70 : 1,168,234.35 = 513,043.70 : x
  2. Step 2: Convert to fraction form
    778,515.70/1,168,234.35 = 513,043.70/x
  3. Step 3: Cross multiply
    778,515.70x = 1,168,234.35 × 513,043.70
  4. Step 4: Simplify right side
    778,515.70x = 599,355,273,391.10
  5. Step 5: Solve for x
    x = 599,355,273,391.10/778,515.70
  6. Step 6: Final answer
    x = 769,869.22

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Double scale
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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.