Home / 968,314.38-1,336,241.79-538,582.38

Finding the Fourth Proportional to 968,314.38, 1,336,241.79 and 538,582.38

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Solution

The fourth proportional to 968,314.38, 1,336,241.79 and 538,582.38 is: 743,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,314.38 : 1,336,241.79 = 538,582.38 : x
  2. Step 2: Convert to fraction form
    968,314.38/1,336,241.79 = 538,582.38/x
  3. Step 3: Cross multiply
    968,314.38x = 1,336,241.79 × 538,582.38
  4. Step 4: Simplify right side
    968,314.38x = 719,676,283,513.66
  5. Step 5: Solve for x
    x = 719,676,283,513.66/968,314.38
  6. Step 6: Final answer
    x = 743,225.86

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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.