Home / 967,920.54-1,335,761.19-538,218.78

Finding the Fourth Proportional to 967,920.54, 1,335,761.19 and 538,218.78

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Solution

The fourth proportional to 967,920.54, 1,335,761.19 and 538,218.78 is: 742,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,920.54 : 1,335,761.19 = 538,218.78 : x
  2. Step 2: Convert to fraction form
    967,920.54/1,335,761.19 = 538,218.78/x
  3. Step 3: Cross multiply
    967,920.54x = 1,335,761.19 × 538,218.78
  4. Step 4: Simplify right side
    967,920.54x = 718,931,758,053.15
  5. Step 5: Solve for x
    x = 718,931,758,053.15/967,920.54
  6. Step 6: Final answer
    x = 742,759.07

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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.