Home / 1,136,439.32-1,568,295.42-620,197.28

Finding the Fourth Proportional to 1,136,439.32, 1,568,295.42 and 620,197.28

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Solution

The fourth proportional to 1,136,439.32, 1,568,295.42 and 620,197.28 is: 855,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,439.32 : 1,568,295.42 = 620,197.28 : x
  2. Step 2: Convert to fraction form
    1,136,439.32/1,568,295.42 = 620,197.28/x
  3. Step 3: Cross multiply
    1,136,439.32x = 1,568,295.42 × 620,197.28
  4. Step 4: Simplify right side
    1,136,439.32x = 972,652,553,720.46
  5. Step 5: Solve for x
    x = 972,652,553,720.46/1,136,439.32
  6. Step 6: Final answer
    x = 855,877.24

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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.