Home / 806,985.60-1,211,061.60-451,622.40

Finding the Fourth Proportional to 806,985.60, 1,211,061.60 and 451,622.40

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Solution

The fourth proportional to 806,985.60, 1,211,061.60 and 451,622.40 is: 677,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,985.60 : 1,211,061.60 = 451,622.40 : x
  2. Step 2: Convert to fraction form
    806,985.60/1,211,061.60 = 451,622.40/x
  3. Step 3: Cross multiply
    806,985.60x = 1,211,061.60 × 451,622.40
  4. Step 4: Simplify right side
    806,985.60x = 546,942,546,339.84
  5. Step 5: Solve for x
    x = 546,942,546,339.84/806,985.60
  6. Step 6: Final answer
    x = 677,759.98

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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.