Home / 1,190,174.03-1,643,561.13-828,586.61

Finding the Fourth Proportional to 1,190,174.03, 1,643,561.13 and 828,586.61

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Solution

The fourth proportional to 1,190,174.03, 1,643,561.13 and 828,586.61 is: 1,144,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,174.03 : 1,643,561.13 = 828,586.61 : x
  2. Step 2: Convert to fraction form
    1,190,174.03/1,643,561.13 = 828,586.61/x
  3. Step 3: Cross multiply
    1,190,174.03x = 1,643,561.13 × 828,586.61
  4. Step 4: Simplify right side
    1,190,174.03x = 1,361,832,745,034.47
  5. Step 5: Solve for x
    x = 1,361,832,745,034.47/1,190,174.03
  6. Step 6: Final answer
    x = 1,144,229.93

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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.