Home / 1,390,125.60-1,917,803.16-845,825.04

Finding the Fourth Proportional to 1,390,125.60, 1,917,803.16 and 845,825.04

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Solution

The fourth proportional to 1,390,125.60, 1,917,803.16 and 845,825.04 is: 1,166,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,125.60 : 1,917,803.16 = 845,825.04 : x
  2. Step 2: Convert to fraction form
    1,390,125.60/1,917,803.16 = 845,825.04/x
  3. Step 3: Cross multiply
    1,390,125.60x = 1,917,803.16 × 845,825.04
  4. Step 4: Simplify right side
    1,390,125.60x = 1,622,125,934,519.13
  5. Step 5: Solve for x
    x = 1,622,125,934,519.13/1,390,125.60
  6. Step 6: Final answer
    x = 1,166,891.64

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