Home / 856,522.06-1,283,381.43-518,538.31

Finding the Fourth Proportional to 856,522.06, 1,283,381.43 and 518,538.31

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Solution

The fourth proportional to 856,522.06, 1,283,381.43 and 518,538.31 is: 776,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,522.06 : 1,283,381.43 = 518,538.31 : x
  2. Step 2: Convert to fraction form
    856,522.06/1,283,381.43 = 518,538.31/x
  3. Step 3: Cross multiply
    856,522.06x = 1,283,381.43 × 518,538.31
  4. Step 4: Simplify right side
    856,522.06x = 665,482,437,797.58
  5. Step 5: Solve for x
    x = 665,482,437,797.58/856,522.06
  6. Step 6: Final answer
    x = 776,958.90

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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.