Home / 615,945.29-923,920.21-189,478.16

Finding the Fourth Proportional to 615,945.29, 923,920.21 and 189,478.16

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Solution

The fourth proportional to 615,945.29, 923,920.21 and 189,478.16 is: 284,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,945.29 : 923,920.21 = 189,478.16 : x
  2. Step 2: Convert to fraction form
    615,945.29/923,920.21 = 189,478.16/x
  3. Step 3: Cross multiply
    615,945.29x = 923,920.21 × 189,478.16
  4. Step 4: Simplify right side
    615,945.29x = 175,062,703,924.26
  5. Step 5: Solve for x
    x = 175,062,703,924.26/615,945.29
  6. Step 6: Final answer
    x = 284,217.94

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Double scale
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Similar ratio
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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.