Home / 946,989.53-1,306,521.38-538,989.18

Finding the Fourth Proportional to 946,989.53, 1,306,521.38 and 538,989.18

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Solution

The fourth proportional to 946,989.53, 1,306,521.38 and 538,989.18 is: 743,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,989.53 : 1,306,521.38 = 538,989.18 : x
  2. Step 2: Convert to fraction form
    946,989.53/1,306,521.38 = 538,989.18/x
  3. Step 3: Cross multiply
    946,989.53x = 1,306,521.38 × 538,989.18
  4. Step 4: Simplify right side
    946,989.53x = 704,200,887,258.67
  5. Step 5: Solve for x
    x = 704,200,887,258.67/946,989.53
  6. Step 6: Final answer
    x = 743,620.56

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Double scale
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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.