Home / 528,004.38-791,966.78-168,160.71

Finding the Fourth Proportional to 528,004.38, 791,966.78 and 168,160.71

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Solution

The fourth proportional to 528,004.38, 791,966.78 and 168,160.71 is: 252,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,004.38 : 791,966.78 = 168,160.71 : x
  2. Step 2: Convert to fraction form
    528,004.38/791,966.78 = 168,160.71/x
  3. Step 3: Cross multiply
    528,004.38x = 791,966.78 × 168,160.71
  4. Step 4: Simplify right side
    528,004.38x = 133,177,696,021.21
  5. Step 5: Solve for x
    x = 133,177,696,021.21/528,004.38
  6. Step 6: Final answer
    x = 252,228.39

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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.