Home / 1,094,221.03-1,509,759.08-641,424.55

Finding the Fourth Proportional to 1,094,221.03, 1,509,759.08 and 641,424.55

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Solution

The fourth proportional to 1,094,221.03, 1,509,759.08 and 641,424.55 is: 885,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,221.03 : 1,509,759.08 = 641,424.55 : x
  2. Step 2: Convert to fraction form
    1,094,221.03/1,509,759.08 = 641,424.55/x
  3. Step 3: Cross multiply
    1,094,221.03x = 1,509,759.08 × 641,424.55
  4. Step 4: Simplify right side
    1,094,221.03x = 968,396,535,290.29
  5. Step 5: Solve for x
    x = 968,396,535,290.29/1,094,221.03
  6. Step 6: Final answer
    x = 885,009.98

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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.