Home / 677,997.90-935,568.98-406,058.83

Finding the Fourth Proportional to 677,997.90, 935,568.98 and 406,058.83

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Solution

The fourth proportional to 677,997.90, 935,568.98 and 406,058.83 is: 560,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,997.90 : 935,568.98 = 406,058.83 : x
  2. Step 2: Convert to fraction form
    677,997.90/935,568.98 = 406,058.83/x
  3. Step 3: Cross multiply
    677,997.90x = 935,568.98 × 406,058.83
  4. Step 4: Simplify right side
    677,997.90x = 379,896,045,403.09
  5. Step 5: Solve for x
    x = 379,896,045,403.09/677,997.90
  6. Step 6: Final answer
    x = 560,320.39

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1.5x scale

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.