Home / 876,906.20-1,315,262.10-245,883.80

Finding the Fourth Proportional to 876,906.20, 1,315,262.10 and 245,883.80

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Solution

The fourth proportional to 876,906.20, 1,315,262.10 and 245,883.80 is: 368,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,906.20 : 1,315,262.10 = 245,883.80 : x
  2. Step 2: Convert to fraction form
    876,906.20/1,315,262.10 = 245,883.80/x
  3. Step 3: Cross multiply
    876,906.20x = 1,315,262.10 × 245,883.80
  4. Step 4: Simplify right side
    876,906.20x = 323,401,643,143.98
  5. Step 5: Solve for x
    x = 323,401,643,143.98/876,906.20
  6. Step 6: Final answer
    x = 368,798.45

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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.