Home / 778,940.70-1,168,411.05-401,027.10

Finding the Fourth Proportional to 778,940.70, 1,168,411.05 and 401,027.10

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Solution

The fourth proportional to 778,940.70, 1,168,411.05 and 401,027.10 is: 601,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,940.70 : 1,168,411.05 = 401,027.10 : x
  2. Step 2: Convert to fraction form
    778,940.70/1,168,411.05 = 401,027.10/x
  3. Step 3: Cross multiply
    778,940.70x = 1,168,411.05 × 401,027.10
  4. Step 4: Simplify right side
    778,940.70x = 468,564,494,989.46
  5. Step 5: Solve for x
    x = 468,564,494,989.46/778,940.70
  6. Step 6: Final answer
    x = 601,540.65

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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.