Home / 856,114.70-1,281,714.45-831,538.70

Finding the Fourth Proportional to 856,114.70, 1,281,714.45 and 831,538.70

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Solution

The fourth proportional to 856,114.70, 1,281,714.45 and 831,538.70 is: 1,244,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,114.70 : 1,281,714.45 = 831,538.70 : x
  2. Step 2: Convert to fraction form
    856,114.70/1,281,714.45 = 831,538.70/x
  3. Step 3: Cross multiply
    856,114.70x = 1,281,714.45 × 831,538.70
  4. Step 4: Simplify right side
    856,114.70x = 1,065,795,167,524.21
  5. Step 5: Solve for x
    x = 1,065,795,167,524.21/856,114.70
  6. Step 6: Final answer
    x = 1,244,921.00

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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.