Home / 1,086,777.60-1,628,045.76-711,663.36

Finding the Fourth Proportional to 1,086,777.60, 1,628,045.76 and 711,663.36

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Solution

The fourth proportional to 1,086,777.60, 1,628,045.76 and 711,663.36 is: 1,066,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,777.60 : 1,628,045.76 = 711,663.36 : x
  2. Step 2: Convert to fraction form
    1,086,777.60/1,628,045.76 = 711,663.36/x
  3. Step 3: Cross multiply
    1,086,777.60x = 1,628,045.76 × 711,663.36
  4. Step 4: Simplify right side
    1,086,777.60x = 1,158,620,515,795.35
  5. Step 5: Solve for x
    x = 1,158,620,515,795.35/1,086,777.60
  6. Step 6: Final answer
    x = 1,066,106.36

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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.