Home / 706,591.20-1,058,504.40-425,272.80

Finding the Fourth Proportional to 706,591.20, 1,058,504.40 and 425,272.80

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Solution

The fourth proportional to 706,591.20, 1,058,504.40 and 425,272.80 is: 637,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,591.20 : 1,058,504.40 = 425,272.80 : x
  2. Step 2: Convert to fraction form
    706,591.20/1,058,504.40 = 425,272.80/x
  3. Step 3: Cross multiply
    706,591.20x = 1,058,504.40 × 425,272.80
  4. Step 4: Simplify right side
    706,591.20x = 450,153,130,000.32
  5. Step 5: Solve for x
    x = 450,153,130,000.32/706,591.20
  6. Step 6: Final answer
    x = 637,077.18

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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.