Home / 566,828.82-782,259.15-312,179.94

Finding the Fourth Proportional to 566,828.82, 782,259.15 and 312,179.94

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Solution

The fourth proportional to 566,828.82, 782,259.15 and 312,179.94 is: 430,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,828.82 : 782,259.15 = 312,179.94 : x
  2. Step 2: Convert to fraction form
    566,828.82/782,259.15 = 312,179.94/x
  3. Step 3: Cross multiply
    566,828.82x = 782,259.15 × 312,179.94
  4. Step 4: Simplify right side
    566,828.82x = 244,205,614,511.45
  5. Step 5: Solve for x
    x = 244,205,614,511.45/566,828.82
  6. Step 6: Final answer
    x = 430,827.80

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1.5x scale

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.