Home / 834,155.84-1,251,546.96-385,091.84

Finding the Fourth Proportional to 834,155.84, 1,251,546.96 and 385,091.84

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Solution

The fourth proportional to 834,155.84, 1,251,546.96 and 385,091.84 is: 577,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,155.84 : 1,251,546.96 = 385,091.84 : x
  2. Step 2: Convert to fraction form
    834,155.84/1,251,546.96 = 385,091.84/x
  3. Step 3: Cross multiply
    834,155.84x = 1,251,546.96 × 385,091.84
  4. Step 4: Simplify right side
    834,155.84x = 481,960,521,672.81
  5. Step 5: Solve for x
    x = 481,960,521,672.81/834,155.84
  6. Step 6: Final answer
    x = 577,782.35

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1.5x scale

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.