Home / 1,296,522.40-1,943,228.40-665,111.20

Finding the Fourth Proportional to 1,296,522.40, 1,943,228.40 and 665,111.20

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Solution

The fourth proportional to 1,296,522.40, 1,943,228.40 and 665,111.20 is: 996,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,522.40 : 1,943,228.40 = 665,111.20 : x
  2. Step 2: Convert to fraction form
    1,296,522.40/1,943,228.40 = 665,111.20/x
  3. Step 3: Cross multiply
    1,296,522.40x = 1,943,228.40 × 665,111.20
  4. Step 4: Simplify right side
    1,296,522.40x = 1,292,462,972,998.08
  5. Step 5: Solve for x
    x = 1,292,462,972,998.08/1,296,522.40
  6. Step 6: Final answer
    x = 996,868.99

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Why These Related Problems?

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