Home / 372,556.32-514,113.45-211,401.75

Finding the Fourth Proportional to 372,556.32, 514,113.45 and 211,401.75

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Solution

The fourth proportional to 372,556.32, 514,113.45 and 211,401.75 is: 291,726.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,556.32 : 514,113.45 = 211,401.75 : x
  2. Step 2: Convert to fraction form
    372,556.32/514,113.45 = 211,401.75/x
  3. Step 3: Cross multiply
    372,556.32x = 514,113.45 × 211,401.75
  4. Step 4: Simplify right side
    372,556.32x = 108,684,483,028.54
  5. Step 5: Solve for x
    x = 108,684,483,028.54/372,556.32
  6. Step 6: Final answer
    x = 291,726.32

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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.