Home / 816,510.42-1,222,145.19-436,481.10

Finding the Fourth Proportional to 816,510.42, 1,222,145.19 and 436,481.10

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Solution

The fourth proportional to 816,510.42, 1,222,145.19 and 436,481.10 is: 653,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,510.42 : 1,222,145.19 = 436,481.10 : x
  2. Step 2: Convert to fraction form
    816,510.42/1,222,145.19 = 436,481.10/x
  3. Step 3: Cross multiply
    816,510.42x = 1,222,145.19 × 436,481.10
  4. Step 4: Simplify right side
    816,510.42x = 533,443,276,890.91
  5. Step 5: Solve for x
    x = 533,443,276,890.91/816,510.42
  6. Step 6: Final answer
    x = 653,320.84

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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.