Home / 838,404.54-1,156,961.97-456,432.66

Finding the Fourth Proportional to 838,404.54, 1,156,961.97 and 456,432.66

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Solution

The fourth proportional to 838,404.54, 1,156,961.97 and 456,432.66 is: 629,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,404.54 : 1,156,961.97 = 456,432.66 : x
  2. Step 2: Convert to fraction form
    838,404.54/1,156,961.97 = 456,432.66/x
  3. Step 3: Cross multiply
    838,404.54x = 1,156,961.97 × 456,432.66
  4. Step 4: Simplify right side
    838,404.54x = 528,075,229,485.94
  5. Step 5: Solve for x
    x = 528,075,229,485.94/838,404.54
  6. Step 6: Final answer
    x = 629,857.31

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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.