Home / 530,686.34-796,027.71-215,142.50

Finding the Fourth Proportional to 530,686.34, 796,027.71 and 215,142.50

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Solution

The fourth proportional to 530,686.34, 796,027.71 and 215,142.50 is: 322,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,686.34 : 796,027.71 = 215,142.50 : x
  2. Step 2: Convert to fraction form
    530,686.34/796,027.71 = 215,142.50/x
  3. Step 3: Cross multiply
    530,686.34x = 796,027.71 × 215,142.50
  4. Step 4: Simplify right side
    530,686.34x = 171,259,391,598.68
  5. Step 5: Solve for x
    x = 171,259,391,598.68/530,686.34
  6. Step 6: Final answer
    x = 322,713.02

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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.