Home / 1,151,886.12-1,589,919.02-668,606.97

Finding the Fourth Proportional to 1,151,886.12, 1,589,919.02 and 668,606.97

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Solution

The fourth proportional to 1,151,886.12, 1,589,919.02 and 668,606.97 is: 922,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,886.12 : 1,589,919.02 = 668,606.97 : x
  2. Step 2: Convert to fraction form
    1,151,886.12/1,589,919.02 = 668,606.97/x
  3. Step 3: Cross multiply
    1,151,886.12x = 1,589,919.02 × 668,606.97
  4. Step 4: Simplify right side
    1,151,886.12x = 1,063,030,938,507.57
  5. Step 5: Solve for x
    x = 1,063,030,938,507.57/1,151,886.12
  6. Step 6: Final answer
    x = 922,861.14

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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.