Home / 1,291,023.66-1,932,394.77-690,483.18

Finding the Fourth Proportional to 1,291,023.66, 1,932,394.77 and 690,483.18

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Solution

The fourth proportional to 1,291,023.66, 1,932,394.77 and 690,483.18 is: 1,033,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,023.66 : 1,932,394.77 = 690,483.18 : x
  2. Step 2: Convert to fraction form
    1,291,023.66/1,932,394.77 = 690,483.18/x
  3. Step 3: Cross multiply
    1,291,023.66x = 1,932,394.77 × 690,483.18
  4. Step 4: Simplify right side
    1,291,023.66x = 1,334,286,085,804.97
  5. Step 5: Solve for x
    x = 1,334,286,085,804.97/1,291,023.66
  6. Step 6: Final answer
    x = 1,033,510.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.