Home / 465,444.47-698,152.75-128,505.69

Finding the Fourth Proportional to 465,444.47, 698,152.75 and 128,505.69

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Solution

The fourth proportional to 465,444.47, 698,152.75 and 128,505.69 is: 192,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,444.47 : 698,152.75 = 128,505.69 : x
  2. Step 2: Convert to fraction form
    465,444.47/698,152.75 = 128,505.69/x
  3. Step 3: Cross multiply
    465,444.47x = 698,152.75 × 128,505.69
  4. Step 4: Simplify right side
    465,444.47x = 89,716,600,864.15
  5. Step 5: Solve for x
    x = 89,716,600,864.15/465,444.47
  6. Step 6: Final answer
    x = 192,754.68

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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.