Home / 929,100.70-1,393,305.45-368,019.10

Finding the Fourth Proportional to 929,100.70, 1,393,305.45 and 368,019.10

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Solution

The fourth proportional to 929,100.70, 1,393,305.45 and 368,019.10 is: 551,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,100.70 : 1,393,305.45 = 368,019.10 : x
  2. Step 2: Convert to fraction form
    929,100.70/1,393,305.45 = 368,019.10/x
  3. Step 3: Cross multiply
    929,100.70x = 1,393,305.45 × 368,019.10
  4. Step 4: Simplify right side
    929,100.70x = 512,763,017,734.10
  5. Step 5: Solve for x
    x = 512,763,017,734.10/929,100.70
  6. Step 6: Final answer
    x = 551,891.76

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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.