Home / 946,976.87-1,306,806.59-517,258.91

Finding the Fourth Proportional to 946,976.87, 1,306,806.59 and 517,258.91

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Solution

The fourth proportional to 946,976.87, 1,306,806.59 and 517,258.91 is: 713,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,976.87 : 1,306,806.59 = 517,258.91 : x
  2. Step 2: Convert to fraction form
    946,976.87/1,306,806.59 = 517,258.91/x
  3. Step 3: Cross multiply
    946,976.87x = 1,306,806.59 × 517,258.91
  4. Step 4: Simplify right side
    946,976.87x = 675,957,347,083.33
  5. Step 5: Solve for x
    x = 675,957,347,083.33/946,976.87
  6. Step 6: Final answer
    x = 713,805.56

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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.