Home / 646,619.75-969,929.52-197,342.92

Finding the Fourth Proportional to 646,619.75, 969,929.52 and 197,342.92

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Solution

The fourth proportional to 646,619.75, 969,929.52 and 197,342.92 is: 296,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,619.75 : 969,929.52 = 197,342.92 : x
  2. Step 2: Convert to fraction form
    646,619.75/969,929.52 = 197,342.92/x
  3. Step 3: Cross multiply
    646,619.75x = 969,929.52 × 197,342.92
  4. Step 4: Simplify right side
    646,619.75x = 191,408,723,671.00
  5. Step 5: Solve for x
    x = 191,408,723,671.00/646,619.75
  6. Step 6: Final answer
    x = 296,014.35

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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.