Home / 693,386.26-1,040,079.39-187,947.34

Finding the Fourth Proportional to 693,386.26, 1,040,079.39 and 187,947.34

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Solution

The fourth proportional to 693,386.26, 1,040,079.39 and 187,947.34 is: 281,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,386.26 : 1,040,079.39 = 187,947.34 : x
  2. Step 2: Convert to fraction form
    693,386.26/1,040,079.39 = 187,947.34/x
  3. Step 3: Cross multiply
    693,386.26x = 1,040,079.39 × 187,947.34
  4. Step 4: Simplify right side
    693,386.26x = 195,480,151,434.32
  5. Step 5: Solve for x
    x = 195,480,151,434.32/693,386.26
  6. Step 6: Final answer
    x = 281,921.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.