Home / 529,584.48-730,827.90-287,866.62

Finding the Fourth Proportional to 529,584.48, 730,827.90 and 287,866.62

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Solution

The fourth proportional to 529,584.48, 730,827.90 and 287,866.62 is: 397,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,584.48 : 730,827.90 = 287,866.62 : x
  2. Step 2: Convert to fraction form
    529,584.48/730,827.90 = 287,866.62/x
  3. Step 3: Cross multiply
    529,584.48x = 730,827.90 × 287,866.62
  4. Step 4: Simplify right side
    529,584.48x = 210,380,957,374.70
  5. Step 5: Solve for x
    x = 210,380,957,374.70/529,584.48
  6. Step 6: Final answer
    x = 397,256.65

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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.