Home / 529,864.91-730,956.38-314,852.70

Finding the Fourth Proportional to 529,864.91, 730,956.38 and 314,852.70

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Solution

The fourth proportional to 529,864.91, 730,956.38 and 314,852.70 is: 434,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,864.91 : 730,956.38 = 314,852.70 : x
  2. Step 2: Convert to fraction form
    529,864.91/730,956.38 = 314,852.70/x
  3. Step 3: Cross multiply
    529,864.91x = 730,956.38 × 314,852.70
  4. Step 4: Simplify right side
    529,864.91x = 230,143,588,250.96
  5. Step 5: Solve for x
    x = 230,143,588,250.96/529,864.91
  6. Step 6: Final answer
    x = 434,343.90

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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.