Home / 839,848.20-1,259,772.30-341,569.80

Finding the Fourth Proportional to 839,848.20, 1,259,772.30 and 341,569.80

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Solution

The fourth proportional to 839,848.20, 1,259,772.30 and 341,569.80 is: 512,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,848.20 : 1,259,772.30 = 341,569.80 : x
  2. Step 2: Convert to fraction form
    839,848.20/1,259,772.30 = 341,569.80/x
  3. Step 3: Cross multiply
    839,848.20x = 1,259,772.30 × 341,569.80
  4. Step 4: Simplify right side
    839,848.20x = 430,300,172,556.54
  5. Step 5: Solve for x
    x = 430,300,172,556.54/839,848.20
  6. Step 6: Final answer
    x = 512,354.70

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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.