Home / 465,544.10-698,188.70-128,504.18

Finding the Fourth Proportional to 465,544.10, 698,188.70 and 128,504.18

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Solution

The fourth proportional to 465,544.10, 698,188.70 and 128,504.18 is: 192,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,544.10 : 698,188.70 = 128,504.18 : x
  2. Step 2: Convert to fraction form
    465,544.10/698,188.70 = 128,504.18/x
  3. Step 3: Cross multiply
    465,544.10x = 698,188.70 × 128,504.18
  4. Step 4: Simplify right side
    465,544.10x = 89,720,162,887.82
  5. Step 5: Solve for x
    x = 89,720,162,887.82/465,544.10
  6. Step 6: Final answer
    x = 192,721.08

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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.