Home / 653,742.34-980,635.64-173,970.61

Finding the Fourth Proportional to 653,742.34, 980,635.64 and 173,970.61

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Solution

The fourth proportional to 653,742.34, 980,635.64 and 173,970.61 is: 260,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,742.34 : 980,635.64 = 173,970.61 : x
  2. Step 2: Convert to fraction form
    653,742.34/980,635.64 = 173,970.61/x
  3. Step 3: Cross multiply
    653,742.34x = 980,635.64 × 173,970.61
  4. Step 4: Simplify right side
    653,742.34x = 170,601,781,704.34
  5. Step 5: Solve for x
    x = 170,601,781,704.34/653,742.34
  6. Step 6: Final answer
    x = 260,961.81

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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.