Home / 1,297,768.53-1,945,387.50-518,549.14

Finding the Fourth Proportional to 1,297,768.53, 1,945,387.50 and 518,549.14

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Solution

The fourth proportional to 1,297,768.53, 1,945,387.50 and 518,549.14 is: 777,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,768.53 : 1,945,387.50 = 518,549.14 : x
  2. Step 2: Convert to fraction form
    1,297,768.53/1,945,387.50 = 518,549.14/x
  3. Step 3: Cross multiply
    1,297,768.53x = 1,945,387.50 × 518,549.14
  4. Step 4: Simplify right side
    1,297,768.53x = 1,008,779,010,228.28
  5. Step 5: Solve for x
    x = 1,008,779,010,228.28/1,297,768.53
  6. Step 6: Final answer
    x = 777,318.13

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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.