Home / 1,098,311.81-1,647,088.02-521,868.42

Finding the Fourth Proportional to 1,098,311.81, 1,647,088.02 and 521,868.42

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Solution

The fourth proportional to 1,098,311.81, 1,647,088.02 and 521,868.42 is: 782,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,311.81 : 1,647,088.02 = 521,868.42 : x
  2. Step 2: Convert to fraction form
    1,098,311.81/1,647,088.02 = 521,868.42/x
  3. Step 3: Cross multiply
    1,098,311.81x = 1,647,088.02 × 521,868.42
  4. Step 4: Simplify right side
    1,098,311.81x = 859,563,222,598.33
  5. Step 5: Solve for x
    x = 859,563,222,598.33/1,098,311.81
  6. Step 6: Final answer
    x = 782,622.22

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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.