Home / 1,130,187.60-1,559,687.76-620,902.80

Finding the Fourth Proportional to 1,130,187.60, 1,559,687.76 and 620,902.80

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Solution

The fourth proportional to 1,130,187.60, 1,559,687.76 and 620,902.80 is: 856,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,187.60 : 1,559,687.76 = 620,902.80 : x
  2. Step 2: Convert to fraction form
    1,130,187.60/1,559,687.76 = 620,902.80/x
  3. Step 3: Cross multiply
    1,130,187.60x = 1,559,687.76 × 620,902.80
  4. Step 4: Simplify right side
    1,130,187.60x = 968,414,497,309.73
  5. Step 5: Solve for x
    x = 968,414,497,309.73/1,130,187.60
  6. Step 6: Final answer
    x = 856,861.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.