Home / 1,317,568.07-1,818,042.84-744,399.11

Finding the Fourth Proportional to 1,317,568.07, 1,818,042.84 and 744,399.11

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Solution

The fourth proportional to 1,317,568.07, 1,818,042.84 and 744,399.11 is: 1,027,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,568.07 : 1,818,042.84 = 744,399.11 : x
  2. Step 2: Convert to fraction form
    1,317,568.07/1,818,042.84 = 744,399.11/x
  3. Step 3: Cross multiply
    1,317,568.07x = 1,818,042.84 × 744,399.11
  4. Step 4: Simplify right side
    1,317,568.07x = 1,353,349,476,582.98
  5. Step 5: Solve for x
    x = 1,353,349,476,582.98/1,317,568.07
  6. Step 6: Final answer
    x = 1,027,157.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.