Home / 1,151,528.28-1,589,111.82-642,263.64

Finding the Fourth Proportional to 1,151,528.28, 1,589,111.82 and 642,263.64

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Solution

The fourth proportional to 1,151,528.28, 1,589,111.82 and 642,263.64 is: 886,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,528.28 : 1,589,111.82 = 642,263.64 : x
  2. Step 2: Convert to fraction form
    1,151,528.28/1,589,111.82 = 642,263.64/x
  3. Step 3: Cross multiply
    1,151,528.28x = 1,589,111.82 × 642,263.64
  4. Step 4: Simplify right side
    1,151,528.28x = 1,020,628,741,880.22
  5. Step 5: Solve for x
    x = 1,020,628,741,880.22/1,151,528.28
  6. Step 6: Final answer
    x = 886,325.38

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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.