Home / 514,310.32-771,587.76-214,624.36

Finding the Fourth Proportional to 514,310.32, 771,587.76 and 214,624.36

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Solution

The fourth proportional to 514,310.32, 771,587.76 and 214,624.36 is: 321,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,310.32 : 771,587.76 = 214,624.36 : x
  2. Step 2: Convert to fraction form
    514,310.32/771,587.76 = 214,624.36/x
  3. Step 3: Cross multiply
    514,310.32x = 771,587.76 × 214,624.36
  4. Step 4: Simplify right side
    514,310.32x = 165,601,529,173.83
  5. Step 5: Solve for x
    x = 165,601,529,173.83/514,310.32
  6. Step 6: Final answer
    x = 321,987.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.