Home / 818,565.40-1,228,014.78-345,252.52

Finding the Fourth Proportional to 818,565.40, 1,228,014.78 and 345,252.52

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Solution

The fourth proportional to 818,565.40, 1,228,014.78 and 345,252.52 is: 517,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,565.40 : 1,228,014.78 = 345,252.52 : x
  2. Step 2: Convert to fraction form
    818,565.40/1,228,014.78 = 345,252.52/x
  3. Step 3: Cross multiply
    818,565.40x = 1,228,014.78 × 345,252.52
  4. Step 4: Simplify right side
    818,565.40x = 423,975,197,392.25
  5. Step 5: Solve for x
    x = 423,975,197,392.25/818,565.40
  6. Step 6: Final answer
    x = 517,949.08

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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.