Home / 615,946.29-923,921.71-189,479.16

Finding the Fourth Proportional to 615,946.29, 923,921.71 and 189,479.16

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Solution

The fourth proportional to 615,946.29, 923,921.71 and 189,479.16 is: 284,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,946.29 : 923,921.71 = 189,479.16 : x
  2. Step 2: Convert to fraction form
    615,946.29/923,921.71 = 189,479.16/x
  3. Step 3: Cross multiply
    615,946.29x = 923,921.71 × 189,479.16
  4. Step 4: Simplify right side
    615,946.29x = 175,063,909,516.56
  5. Step 5: Solve for x
    x = 175,063,909,516.56/615,946.29
  6. Step 6: Final answer
    x = 284,219.44

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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.