Home / 752,504.06-1,036,751.21-716,631.78

Finding the Fourth Proportional to 752,504.06, 1,036,751.21 and 716,631.78

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Solution

The fourth proportional to 752,504.06, 1,036,751.21 and 716,631.78 is: 987,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,504.06 : 1,036,751.21 = 716,631.78 : x
  2. Step 2: Convert to fraction form
    752,504.06/1,036,751.21 = 716,631.78/x
  3. Step 3: Cross multiply
    752,504.06x = 1,036,751.21 × 716,631.78
  4. Step 4: Simplify right side
    752,504.06x = 742,968,861,456.30
  5. Step 5: Solve for x
    x = 742,968,861,456.30/752,504.06
  6. Step 6: Final answer
    x = 987,328.71

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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.