Home / 1,236,780.63-1,857,277.31-805,232.69

Finding the Fourth Proportional to 1,236,780.63, 1,857,277.31 and 805,232.69

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Solution

The fourth proportional to 1,236,780.63, 1,857,277.31 and 805,232.69 is: 1,209,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,780.63 : 1,857,277.31 = 805,232.69 : x
  2. Step 2: Convert to fraction form
    1,236,780.63/1,857,277.31 = 805,232.69/x
  3. Step 3: Cross multiply
    1,236,780.63x = 1,857,277.31 × 805,232.69
  4. Step 4: Simplify right side
    1,236,780.63x = 1,495,540,391,094.71
  5. Step 5: Solve for x
    x = 1,495,540,391,094.71/1,236,780.63
  6. Step 6: Final answer
    x = 1,209,220.42

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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.