Home / 1,317,360.88-1,817,934.24-744,388.72

Finding the Fourth Proportional to 1,317,360.88, 1,817,934.24 and 744,388.72

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Solution

The fourth proportional to 1,317,360.88, 1,817,934.24 and 744,388.72 is: 1,027,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,360.88 : 1,817,934.24 = 744,388.72 : x
  2. Step 2: Convert to fraction form
    1,317,360.88/1,817,934.24 = 744,388.72/x
  3. Step 3: Cross multiply
    1,317,360.88x = 1,817,934.24 × 744,388.72
  4. Step 4: Simplify right side
    1,317,360.88x = 1,353,249,741,957.77
  5. Step 5: Solve for x
    x = 1,353,249,741,957.77/1,317,360.88
  6. Step 6: Final answer
    x = 1,027,243.00

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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.