Home / 465,440.22-698,146.38-128,501.44

Finding the Fourth Proportional to 465,440.22, 698,146.38 and 128,501.44

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Solution

The fourth proportional to 465,440.22, 698,146.38 and 128,501.44 is: 192,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,440.22 : 698,146.38 = 128,501.44 : x
  2. Step 2: Convert to fraction form
    465,440.22/698,146.38 = 128,501.44/x
  3. Step 3: Cross multiply
    465,440.22x = 698,146.38 × 128,501.44
  4. Step 4: Simplify right side
    465,440.22x = 89,712,813,415.42
  5. Step 5: Solve for x
    x = 89,712,813,415.42/465,440.22
  6. Step 6: Final answer
    x = 192,748.30

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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.