Home / 382,993.21-528,521.03-210,909.82

Finding the Fourth Proportional to 382,993.21, 528,521.03 and 210,909.82

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Solution

The fourth proportional to 382,993.21, 528,521.03 and 210,909.82 is: 291,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,993.21 : 528,521.03 = 210,909.82 : x
  2. Step 2: Convert to fraction form
    382,993.21/528,521.03 = 210,909.82/x
  3. Step 3: Cross multiply
    382,993.21x = 528,521.03 × 210,909.82
  4. Step 4: Simplify right side
    382,993.21x = 111,470,275,303.52
  5. Step 5: Solve for x
    x = 111,470,275,303.52/382,993.21
  6. Step 6: Final answer
    x = 291,050.27

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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.