Home / 611,997.23-844,539.40-340,058.15

Finding the Fourth Proportional to 611,997.23, 844,539.40 and 340,058.15

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Solution

The fourth proportional to 611,997.23, 844,539.40 and 340,058.15 is: 469,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,997.23 : 844,539.40 = 340,058.15 : x
  2. Step 2: Convert to fraction form
    611,997.23/844,539.40 = 340,058.15/x
  3. Step 3: Cross multiply
    611,997.23x = 844,539.40 × 340,058.15
  4. Step 4: Simplify right side
    611,997.23x = 287,192,500,043.12
  5. Step 5: Solve for x
    x = 287,192,500,043.12/611,997.23
  6. Step 6: Final answer
    x = 469,270.91

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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.