Home / 328,887.96-453,487.04-242,971.26

Finding the Fourth Proportional to 328,887.96, 453,487.04 and 242,971.26

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Solution

The fourth proportional to 328,887.96, 453,487.04 and 242,971.26 is: 335,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,887.96 : 453,487.04 = 242,971.26 : x
  2. Step 2: Convert to fraction form
    328,887.96/453,487.04 = 242,971.26/x
  3. Step 3: Cross multiply
    328,887.96x = 453,487.04 × 242,971.26
  4. Step 4: Simplify right side
    328,887.96x = 110,184,317,502.47
  5. Step 5: Solve for x
    x = 110,184,317,502.47/328,887.96
  6. Step 6: Final answer
    x = 335,020.83

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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.