Home / 695,121.19-958,449.93-557,189.83

Finding the Fourth Proportional to 695,121.19, 958,449.93 and 557,189.83

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Solution

The fourth proportional to 695,121.19, 958,449.93 and 557,189.83 is: 768,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,121.19 : 958,449.93 = 557,189.83 : x
  2. Step 2: Convert to fraction form
    695,121.19/958,449.93 = 557,189.83/x
  3. Step 3: Cross multiply
    695,121.19x = 958,449.93 × 557,189.83
  4. Step 4: Simplify right side
    695,121.19x = 534,038,553,560.21
  5. Step 5: Solve for x
    x = 534,038,553,560.21/695,121.19
  6. Step 6: Final answer
    x = 768,266.83

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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.