Home / 968,469.75-1,336,425.08-538,734.51

Finding the Fourth Proportional to 968,469.75, 1,336,425.08 and 538,734.51

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Solution

The fourth proportional to 968,469.75, 1,336,425.08 and 538,734.51 is: 743,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,469.75 : 1,336,425.08 = 538,734.51 : x
  2. Step 2: Convert to fraction form
    968,469.75/1,336,425.08 = 538,734.51/x
  3. Step 3: Cross multiply
    968,469.75x = 1,336,425.08 × 538,734.51
  4. Step 4: Simplify right side
    968,469.75x = 719,978,307,931.84
  5. Step 5: Solve for x
    x = 719,978,307,931.84/968,469.75
  6. Step 6: Final answer
    x = 743,418.48

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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.