Home / 677,650.02-935,186.52-405,665.46

Finding the Fourth Proportional to 677,650.02, 935,186.52 and 405,665.46

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Solution

The fourth proportional to 677,650.02, 935,186.52 and 405,665.46 is: 559,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,650.02 : 935,186.52 = 405,665.46 : x
  2. Step 2: Convert to fraction form
    677,650.02/935,186.52 = 405,665.46/x
  3. Step 3: Cross multiply
    677,650.02x = 935,186.52 × 405,665.46
  4. Step 4: Simplify right side
    677,650.02x = 379,372,869,821.60
  5. Step 5: Solve for x
    x = 379,372,869,821.60/677,650.02
  6. Step 6: Final answer
    x = 559,835.99

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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.