Home / 706,611.20-1,058,534.40-425,292.80

Finding the Fourth Proportional to 706,611.20, 1,058,534.40 and 425,292.80

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Solution

The fourth proportional to 706,611.20, 1,058,534.40 and 425,292.80 is: 637,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,611.20 : 1,058,534.40 = 425,292.80 : x
  2. Step 2: Convert to fraction form
    706,611.20/1,058,534.40 = 425,292.80/x
  3. Step 3: Cross multiply
    706,611.20x = 1,058,534.40 × 425,292.80
  4. Step 4: Simplify right side
    706,611.20x = 450,187,058,872.32
  5. Step 5: Solve for x
    x = 450,187,058,872.32/706,611.20
  6. Step 6: Final answer
    x = 637,107.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.