Home / 377,552.28-521,011.26-207,782.76

Finding the Fourth Proportional to 377,552.28, 521,011.26 and 207,782.76

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Solution

The fourth proportional to 377,552.28, 521,011.26 and 207,782.76 is: 286,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,552.28 : 521,011.26 = 207,782.76 : x
  2. Step 2: Convert to fraction form
    377,552.28/521,011.26 = 207,782.76/x
  3. Step 3: Cross multiply
    377,552.28x = 521,011.26 × 207,782.76
  4. Step 4: Simplify right side
    377,552.28x = 108,257,157,593.88
  5. Step 5: Solve for x
    x = 108,257,157,593.88/377,552.28
  6. Step 6: Final answer
    x = 286,734.22

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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.