Home / 806,215.64-1,209,498.40-245,235.56

Finding the Fourth Proportional to 806,215.64, 1,209,498.40 and 245,235.56

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Solution

The fourth proportional to 806,215.64, 1,209,498.40 and 245,235.56 is: 367,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,215.64 : 1,209,498.40 = 245,235.56 : x
  2. Step 2: Convert to fraction form
    806,215.64/1,209,498.40 = 245,235.56/x
  3. Step 3: Cross multiply
    806,215.64x = 1,209,498.40 × 245,235.56
  4. Step 4: Simplify right side
    806,215.64x = 296,612,017,443.10
  5. Step 5: Solve for x
    x = 296,612,017,443.10/806,215.64
  6. Step 6: Final answer
    x = 367,906.55

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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.