Home / 514,518.45-771,778.04-214,835.73

Finding the Fourth Proportional to 514,518.45, 771,778.04 and 214,835.73

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Solution

The fourth proportional to 514,518.45, 771,778.04 and 214,835.73 is: 322,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,518.45 : 771,778.04 = 214,835.73 : x
  2. Step 2: Convert to fraction form
    514,518.45/771,778.04 = 214,835.73/x
  3. Step 3: Cross multiply
    514,518.45x = 771,778.04 × 214,835.73
  4. Step 4: Simplify right side
    514,518.45x = 165,805,497,547.19
  5. Step 5: Solve for x
    x = 165,805,497,547.19/514,518.45
  6. Step 6: Final answer
    x = 322,253.75

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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.