Home / 1,111,579.23-1,669,600.80-663,176.19

Finding the Fourth Proportional to 1,111,579.23, 1,669,600.80 and 663,176.19

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Solution

The fourth proportional to 1,111,579.23, 1,669,600.80 and 663,176.19 is: 996,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,579.23 : 1,669,600.80 = 663,176.19 : x
  2. Step 2: Convert to fraction form
    1,111,579.23/1,669,600.80 = 663,176.19/x
  3. Step 3: Cross multiply
    1,111,579.23x = 1,669,600.80 × 663,176.19
  4. Step 4: Simplify right side
    1,111,579.23x = 1,107,239,497,364.95
  5. Step 5: Solve for x
    x = 1,107,239,497,364.95/1,111,579.23
  6. Step 6: Final answer
    x = 996,095.89

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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.