Home / 1,100,411.70-1,650,617.55-1,005,933.30

Finding the Fourth Proportional to 1,100,411.70, 1,650,617.55 and 1,005,933.30

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Solution

The fourth proportional to 1,100,411.70, 1,650,617.55 and 1,005,933.30 is: 1,508,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,411.70 : 1,650,617.55 = 1,005,933.30 : x
  2. Step 2: Convert to fraction form
    1,100,411.70/1,650,617.55 = 1,005,933.30/x
  3. Step 3: Cross multiply
    1,100,411.70x = 1,650,617.55 × 1,005,933.30
  4. Step 4: Simplify right side
    1,100,411.70x = 1,660,411,159,109.42
  5. Step 5: Solve for x
    x = 1,660,411,159,109.42/1,100,411.70
  6. Step 6: Final answer
    x = 1,508,899.95

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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.