Home / 717,400.86-989,939.94-441,714.93

Finding the Fourth Proportional to 717,400.86, 989,939.94 and 441,714.93

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Solution

The fourth proportional to 717,400.86, 989,939.94 and 441,714.93 is: 609,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,400.86 : 989,939.94 = 441,714.93 : x
  2. Step 2: Convert to fraction form
    717,400.86/989,939.94 = 441,714.93/x
  3. Step 3: Cross multiply
    717,400.86x = 989,939.94 × 441,714.93
  4. Step 4: Simplify right side
    717,400.86x = 437,271,251,301.30
  5. Step 5: Solve for x
    x = 437,271,251,301.30/717,400.86
  6. Step 6: Final answer
    x = 609,521.50

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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.