Home / 1,189,518.03-1,641,536.46-645,653.91

Finding the Fourth Proportional to 1,189,518.03, 1,641,536.46 and 645,653.91

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Solution

The fourth proportional to 1,189,518.03, 1,641,536.46 and 645,653.91 is: 891,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,518.03 : 1,641,536.46 = 645,653.91 : x
  2. Step 2: Convert to fraction form
    1,189,518.03/1,641,536.46 = 645,653.91/x
  3. Step 3: Cross multiply
    1,189,518.03x = 1,641,536.46 × 645,653.91
  4. Step 4: Simplify right side
    1,189,518.03x = 1,059,864,433,806.56
  5. Step 5: Solve for x
    x = 1,059,864,433,806.56/1,189,518.03
  6. Step 6: Final answer
    x = 891,003.25

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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.