Home / 942,912.59-1,301,219.38-513,195.84

Finding the Fourth Proportional to 942,912.59, 1,301,219.38 and 513,195.84

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Solution

The fourth proportional to 942,912.59, 1,301,219.38 and 513,195.84 is: 708,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,912.59 : 1,301,219.38 = 513,195.84 : x
  2. Step 2: Convert to fraction form
    942,912.59/1,301,219.38 = 513,195.84/x
  3. Step 3: Cross multiply
    942,912.59x = 1,301,219.38 × 513,195.84
  4. Step 4: Simplify right side
    942,912.59x = 667,780,372,743.38
  5. Step 5: Solve for x
    x = 667,780,372,743.38/942,912.59
  6. Step 6: Final answer
    x = 708,210.26

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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.