Home / 677,717.24-935,225.90-375,939.32

Finding the Fourth Proportional to 677,717.24, 935,225.90 and 375,939.32

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Solution

The fourth proportional to 677,717.24, 935,225.90 and 375,939.32 is: 518,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,717.24 : 935,225.90 = 375,939.32 : x
  2. Step 2: Convert to fraction form
    677,717.24/935,225.90 = 375,939.32/x
  3. Step 3: Cross multiply
    677,717.24x = 935,225.90 × 375,939.32
  4. Step 4: Simplify right side
    677,717.24x = 351,588,188,892.39
  5. Step 5: Solve for x
    x = 351,588,188,892.39/677,717.24
  6. Step 6: Final answer
    x = 518,783.01

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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.