Home / 838,135.32-1,156,626.74-456,164.82

Finding the Fourth Proportional to 838,135.32, 1,156,626.74 and 456,164.82

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Solution

The fourth proportional to 838,135.32, 1,156,626.74 and 456,164.82 is: 629,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,135.32 : 1,156,626.74 = 456,164.82 : x
  2. Step 2: Convert to fraction form
    838,135.32/1,156,626.74 = 456,164.82/x
  3. Step 3: Cross multiply
    838,135.32x = 1,156,626.74 × 456,164.82
  4. Step 4: Simplify right side
    838,135.32x = 527,612,428,659.29
  5. Step 5: Solve for x
    x = 527,612,428,659.29/838,135.32
  6. Step 6: Final answer
    x = 629,507.45

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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.