Home / 868,438.29-1,198,511.34-546,424.41

Finding the Fourth Proportional to 868,438.29, 1,198,511.34 and 546,424.41

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Solution

The fourth proportional to 868,438.29, 1,198,511.34 and 546,424.41 is: 754,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,438.29 : 1,198,511.34 = 546,424.41 : x
  2. Step 2: Convert to fraction form
    868,438.29/1,198,511.34 = 546,424.41/x
  3. Step 3: Cross multiply
    868,438.29x = 1,198,511.34 × 546,424.41
  4. Step 4: Simplify right side
    868,438.29x = 654,895,851,837.81
  5. Step 5: Solve for x
    x = 654,895,851,837.81/868,438.29
  6. Step 6: Final answer
    x = 754,107.53

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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.