Home / 706,220.70-1,059,331.05-628,806.30

Finding the Fourth Proportional to 706,220.70, 1,059,331.05 and 628,806.30

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Solution

The fourth proportional to 706,220.70, 1,059,331.05 and 628,806.30 is: 943,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,220.70 : 1,059,331.05 = 628,806.30 : x
  2. Step 2: Convert to fraction form
    706,220.70/1,059,331.05 = 628,806.30/x
  3. Step 3: Cross multiply
    706,220.70x = 1,059,331.05 × 628,806.30
  4. Step 4: Simplify right side
    706,220.70x = 666,114,038,025.62
  5. Step 5: Solve for x
    x = 666,114,038,025.62/706,220.70
  6. Step 6: Final answer
    x = 943,209.45

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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.