Home / 416,586.11-623,811.83-288,324.72

Finding the Fourth Proportional to 416,586.11, 623,811.83 and 288,324.72

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Solution

The fourth proportional to 416,586.11, 623,811.83 and 288,324.72 is: 431,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,586.11 : 623,811.83 = 288,324.72 : x
  2. Step 2: Convert to fraction form
    416,586.11/623,811.83 = 288,324.72/x
  3. Step 3: Cross multiply
    416,586.11x = 623,811.83 × 288,324.72
  4. Step 4: Simplify right side
    416,586.11x = 179,860,369,775.81
  5. Step 5: Solve for x
    x = 179,860,369,775.81/416,586.11
  6. Step 6: Final answer
    x = 431,748.37

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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.