Home / 706,910.30-1,060,365.45-426,974.30

Finding the Fourth Proportional to 706,910.30, 1,060,365.45 and 426,974.30

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Solution

The fourth proportional to 706,910.30, 1,060,365.45 and 426,974.30 is: 640,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,910.30 : 1,060,365.45 = 426,974.30 : x
  2. Step 2: Convert to fraction form
    706,910.30/1,060,365.45 = 426,974.30/x
  3. Step 3: Cross multiply
    706,910.30x = 1,060,365.45 × 426,974.30
  4. Step 4: Simplify right side
    706,910.30x = 452,748,795,757.94
  5. Step 5: Solve for x
    x = 452,748,795,757.94/706,910.30
  6. Step 6: Final answer
    x = 640,461.45

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Double scale
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Similar ratio
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1.5x scale

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.