Home / 706,077.60-1,059,116.40-628,663.20

Finding the Fourth Proportional to 706,077.60, 1,059,116.40 and 628,663.20

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Solution

The fourth proportional to 706,077.60, 1,059,116.40 and 628,663.20 is: 942,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,077.60 : 1,059,116.40 = 628,663.20 : x
  2. Step 2: Convert to fraction form
    706,077.60/1,059,116.40 = 628,663.20/x
  3. Step 3: Cross multiply
    706,077.60x = 1,059,116.40 × 628,663.20
  4. Step 4: Simplify right side
    706,077.60x = 665,827,505,196.48
  5. Step 5: Solve for x
    x = 665,827,505,196.48/706,077.60
  6. Step 6: Final answer
    x = 942,994.80

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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.