Home / 477,981.68-716,725.44-140,979.33

Finding the Fourth Proportional to 477,981.68, 716,725.44 and 140,979.33

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Solution

The fourth proportional to 477,981.68, 716,725.44 and 140,979.33 is: 211,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,981.68 : 716,725.44 = 140,979.33 : x
  2. Step 2: Convert to fraction form
    477,981.68/716,725.44 = 140,979.33/x
  3. Step 3: Cross multiply
    477,981.68x = 716,725.44 × 140,979.33
  4. Step 4: Simplify right side
    477,981.68x = 101,043,472,325.16
  5. Step 5: Solve for x
    x = 101,043,472,325.16/477,981.68
  6. Step 6: Final answer
    x = 211,396.12

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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.