Home / 1,296,252.60-1,944,378.90-817,955.70

Finding the Fourth Proportional to 1,296,252.60, 1,944,378.90 and 817,955.70

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Solution

The fourth proportional to 1,296,252.60, 1,944,378.90 and 817,955.70 is: 1,226,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,252.60 : 1,944,378.90 = 817,955.70 : x
  2. Step 2: Convert to fraction form
    1,296,252.60/1,944,378.90 = 817,955.70/x
  3. Step 3: Cross multiply
    1,296,252.60x = 1,944,378.90 × 817,955.70
  4. Step 4: Simplify right side
    1,296,252.60x = 1,590,415,804,214.73
  5. Step 5: Solve for x
    x = 1,590,415,804,214.73/1,296,252.60
  6. Step 6: Final answer
    x = 1,226,933.55

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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.