Home / 505,972.17-698,242.28-291,107.93

Finding the Fourth Proportional to 505,972.17, 698,242.28 and 291,107.93

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Solution

The fourth proportional to 505,972.17, 698,242.28 and 291,107.93 is: 401,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,972.17 : 698,242.28 = 291,107.93 : x
  2. Step 2: Convert to fraction form
    505,972.17/698,242.28 = 291,107.93/x
  3. Step 3: Cross multiply
    505,972.17x = 698,242.28 × 291,107.93
  4. Step 4: Simplify right side
    505,972.17x = 203,263,859,822.53
  5. Step 5: Solve for x
    x = 203,263,859,822.53/505,972.17
  6. Step 6: Final answer
    x = 401,729.33

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1.5x scale

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.