Home / 501,150.12-691,687.65-297,314.24

Finding the Fourth Proportional to 501,150.12, 691,687.65 and 297,314.24

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Solution

The fourth proportional to 501,150.12, 691,687.65 and 297,314.24 is: 410,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,150.12 : 691,687.65 = 297,314.24 : x
  2. Step 2: Convert to fraction form
    501,150.12/691,687.65 = 297,314.24/x
  3. Step 3: Cross multiply
    501,150.12x = 691,687.65 × 297,314.24
  4. Step 4: Simplify right side
    501,150.12x = 205,648,584,518.70
  5. Step 5: Solve for x
    x = 205,648,584,518.70/501,150.12
  6. Step 6: Final answer
    x = 410,353.26

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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.