Home / 968,199.30-1,336,132.20-538,479.63

Finding the Fourth Proportional to 968,199.30, 1,336,132.20 and 538,479.63

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Solution

The fourth proportional to 968,199.30, 1,336,132.20 and 538,479.63 is: 743,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,199.30 : 1,336,132.20 = 538,479.63 : x
  2. Step 2: Convert to fraction form
    968,199.30/1,336,132.20 = 538,479.63/x
  3. Step 3: Cross multiply
    968,199.30x = 1,336,132.20 × 538,479.63
  4. Step 4: Simplify right side
    968,199.30x = 719,479,972,687.09
  5. Step 5: Solve for x
    x = 719,479,972,687.09/968,199.30
  6. Step 6: Final answer
    x = 743,111.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.