Home / 647,219.27-970,828.39-173,904.63

Finding the Fourth Proportional to 647,219.27, 970,828.39 and 173,904.63

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Solution

The fourth proportional to 647,219.27, 970,828.39 and 173,904.63 is: 260,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,219.27 : 970,828.39 = 173,904.63 : x
  2. Step 2: Convert to fraction form
    647,219.27/970,828.39 = 173,904.63/x
  3. Step 3: Cross multiply
    647,219.27x = 970,828.39 × 173,904.63
  4. Step 4: Simplify right side
    647,219.27x = 168,831,551,956.45
  5. Step 5: Solve for x
    x = 168,831,551,956.45/647,219.27
  6. Step 6: Final answer
    x = 260,856.81

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1.5x scale

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.