Home / 847,048.20-1,271,068.02-314,936.52

Finding the Fourth Proportional to 847,048.20, 1,271,068.02 and 314,936.52

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Solution

The fourth proportional to 847,048.20, 1,271,068.02 and 314,936.52 is: 472,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,048.20 : 1,271,068.02 = 314,936.52 : x
  2. Step 2: Convert to fraction form
    847,048.20/1,271,068.02 = 314,936.52/x
  3. Step 3: Cross multiply
    847,048.20x = 1,271,068.02 × 314,936.52
  4. Step 4: Simplify right side
    847,048.20x = 400,305,738,902.09
  5. Step 5: Solve for x
    x = 400,305,738,902.09/847,048.20
  6. Step 6: Final answer
    x = 472,589.09

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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.