Home / 717,400.46-989,939.37-441,714.53

Finding the Fourth Proportional to 717,400.46, 989,939.37 and 441,714.53

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Solution

The fourth proportional to 717,400.46, 989,939.37 and 441,714.53 is: 609,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,400.46 : 989,939.37 = 441,714.53 : x
  2. Step 2: Convert to fraction form
    717,400.46/989,939.37 = 441,714.53/x
  3. Step 3: Cross multiply
    717,400.46x = 989,939.37 × 441,714.53
  4. Step 4: Simplify right side
    717,400.46x = 437,270,601,339.47
  5. Step 5: Solve for x
    x = 437,270,601,339.47/717,400.46
  6. Step 6: Final answer
    x = 609,520.94

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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.