Home / 620,399.32-930,663.68-171,120.26

Finding the Fourth Proportional to 620,399.32, 930,663.68 and 171,120.26

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Solution

The fourth proportional to 620,399.32, 930,663.68 and 171,120.26 is: 256,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,399.32 : 930,663.68 = 171,120.26 : x
  2. Step 2: Convert to fraction form
    620,399.32/930,663.68 = 171,120.26/x
  3. Step 3: Cross multiply
    620,399.32x = 930,663.68 × 171,120.26
  4. Step 4: Simplify right side
    620,399.32x = 159,255,412,365.22
  5. Step 5: Solve for x
    x = 159,255,412,365.22/620,399.32
  6. Step 6: Final answer
    x = 256,698.24

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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.