Home / 505,975.17-698,246.42-291,110.93

Finding the Fourth Proportional to 505,975.17, 698,246.42 and 291,110.93

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Solution

The fourth proportional to 505,975.17, 698,246.42 and 291,110.93 is: 401,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,975.17 : 698,246.42 = 291,110.93 : x
  2. Step 2: Convert to fraction form
    505,975.17/698,246.42 = 291,110.93/x
  3. Step 3: Cross multiply
    505,975.17x = 698,246.42 × 291,110.93
  4. Step 4: Simplify right side
    505,975.17x = 203,267,164,695.37
  5. Step 5: Solve for x
    x = 203,267,164,695.37/505,975.17
  6. Step 6: Final answer
    x = 401,733.48

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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.