Home / 465,444.32-698,181.64-128,510.24

Finding the Fourth Proportional to 465,444.32, 698,181.64 and 128,510.24

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Solution

The fourth proportional to 465,444.32, 698,181.64 and 128,510.24 is: 192,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,444.32 : 698,181.64 = 128,510.24 : x
  2. Step 2: Convert to fraction form
    465,444.32/698,181.64 = 128,510.24/x
  3. Step 3: Cross multiply
    465,444.32x = 698,181.64 × 128,510.24
  4. Step 4: Simplify right side
    465,444.32x = 89,723,490,119.99
  5. Step 5: Solve for x
    x = 89,723,490,119.99/465,444.32
  6. Step 6: Final answer
    x = 192,769.55

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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.