Home / 529,589.04-730,833.37-287,871.61

Finding the Fourth Proportional to 529,589.04, 730,833.37 and 287,871.61

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Solution

The fourth proportional to 529,589.04, 730,833.37 and 287,871.61 is: 397,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,589.04 : 730,833.37 = 287,871.61 : x
  2. Step 2: Convert to fraction form
    529,589.04/730,833.37 = 287,871.61/x
  3. Step 3: Cross multiply
    529,589.04x = 730,833.37 × 287,871.61
  4. Step 4: Simplify right side
    529,589.04x = 210,386,176,316.86
  5. Step 5: Solve for x
    x = 210,386,176,316.86/529,589.04
  6. Step 6: Final answer
    x = 397,263.09

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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.