Home / 398,421.50-597,749.30-117,946.04

Finding the Fourth Proportional to 398,421.50, 597,749.30 and 117,946.04

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Solution

The fourth proportional to 398,421.50, 597,749.30 and 117,946.04 is: 176,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,421.50 : 597,749.30 = 117,946.04 : x
  2. Step 2: Convert to fraction form
    398,421.50/597,749.30 = 117,946.04/x
  3. Step 3: Cross multiply
    398,421.50x = 597,749.30 × 117,946.04
  4. Step 4: Simplify right side
    398,421.50x = 70,502,162,258.04
  5. Step 5: Solve for x
    x = 70,502,162,258.04/398,421.50
  6. Step 6: Final answer
    x = 176,953.71

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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.