Home / 389,174.64-537,070.52-217,091.34

Finding the Fourth Proportional to 389,174.64, 537,070.52 and 217,091.34

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Solution

The fourth proportional to 389,174.64, 537,070.52 and 217,091.34 is: 299,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,174.64 : 537,070.52 = 217,091.34 : x
  2. Step 2: Convert to fraction form
    389,174.64/537,070.52 = 217,091.34/x
  3. Step 3: Cross multiply
    389,174.64x = 537,070.52 × 217,091.34
  4. Step 4: Simplify right side
    389,174.64x = 116,593,358,861.30
  5. Step 5: Solve for x
    x = 116,593,358,861.30/389,174.64
  6. Step 6: Final answer
    x = 299,591.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.