Home / 738,871.56-1,019,622.36-416,578.84

Finding the Fourth Proportional to 738,871.56, 1,019,622.36 and 416,578.84

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Solution

The fourth proportional to 738,871.56, 1,019,622.36 and 416,578.84 is: 574,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,871.56 : 1,019,622.36 = 416,578.84 : x
  2. Step 2: Convert to fraction form
    738,871.56/1,019,622.36 = 416,578.84/x
  3. Step 3: Cross multiply
    738,871.56x = 1,019,622.36 × 416,578.84
  4. Step 4: Simplify right side
    738,871.56x = 424,753,099,966.86
  5. Step 5: Solve for x
    x = 424,753,099,966.86/738,871.56
  6. Step 6: Final answer
    x = 574,867.30

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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.