Home / 838,174.38-1,156,680.54-456,203.94

Finding the Fourth Proportional to 838,174.38, 1,156,680.54 and 456,203.94

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Solution

The fourth proportional to 838,174.38, 1,156,680.54 and 456,203.94 is: 629,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,174.38 : 1,156,680.54 = 456,203.94 : x
  2. Step 2: Convert to fraction form
    838,174.38/1,156,680.54 = 456,203.94/x
  3. Step 3: Cross multiply
    838,174.38x = 1,156,680.54 × 456,203.94
  4. Step 4: Simplify right side
    838,174.38x = 527,682,219,669.33
  5. Step 5: Solve for x
    x = 527,682,219,669.33/838,174.38
  6. Step 6: Final answer
    x = 629,561.38

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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.