Home / 921,184.54-1,381,776.81-359,825.38

Finding the Fourth Proportional to 921,184.54, 1,381,776.81 and 359,825.38

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Solution

The fourth proportional to 921,184.54, 1,381,776.81 and 359,825.38 is: 539,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,184.54 : 1,381,776.81 = 359,825.38 : x
  2. Step 2: Convert to fraction form
    921,184.54/1,381,776.81 = 359,825.38/x
  3. Step 3: Cross multiply
    921,184.54x = 1,381,776.81 × 359,825.38
  4. Step 4: Simplify right side
    921,184.54x = 497,198,357,025.43
  5. Step 5: Solve for x
    x = 497,198,357,025.43/921,184.54
  6. Step 6: Final answer
    x = 539,738.06

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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.