Home / 558,967.32-771,351.71-317,245.50

Finding the Fourth Proportional to 558,967.32, 771,351.71 and 317,245.50

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Solution

The fourth proportional to 558,967.32, 771,351.71 and 317,245.50 is: 437,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,967.32 : 771,351.71 = 317,245.50 : x
  2. Step 2: Convert to fraction form
    558,967.32/771,351.71 = 317,245.50/x
  3. Step 3: Cross multiply
    558,967.32x = 771,351.71 × 317,245.50
  4. Step 4: Simplify right side
    558,967.32x = 244,707,857,328.58
  5. Step 5: Solve for x
    x = 244,707,857,328.58/558,967.32
  6. Step 6: Final answer
    x = 437,785.62

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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.