Home / 529,116.10-730,168.09-287,393.37

Finding the Fourth Proportional to 529,116.10, 730,168.09 and 287,393.37

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Solution

The fourth proportional to 529,116.10, 730,168.09 and 287,393.37 is: 396,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,116.10 : 730,168.09 = 287,393.37 : x
  2. Step 2: Convert to fraction form
    529,116.10/730,168.09 = 287,393.37/x
  3. Step 3: Cross multiply
    529,116.10x = 730,168.09 × 287,393.37
  4. Step 4: Simplify right side
    529,116.10x = 209,845,468,051.56
  5. Step 5: Solve for x
    x = 209,845,468,051.56/529,116.10
  6. Step 6: Final answer
    x = 396,596.26

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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.