Home / 1,151,933.60-1,589,669.04-642,635.96

Finding the Fourth Proportional to 1,151,933.60, 1,589,669.04 and 642,635.96

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Solution

The fourth proportional to 1,151,933.60, 1,589,669.04 and 642,635.96 is: 886,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,933.60 : 1,589,669.04 = 642,635.96 : x
  2. Step 2: Convert to fraction form
    1,151,933.60/1,589,669.04 = 642,635.96/x
  3. Step 3: Cross multiply
    1,151,933.60x = 1,589,669.04 × 642,635.96
  4. Step 4: Simplify right side
    1,151,933.60x = 1,021,578,489,602.68
  5. Step 5: Solve for x
    x = 1,021,578,489,602.68/1,151,933.60
  6. Step 6: Final answer
    x = 886,838.00

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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.