Home / 1,149,683.36-1,586,563.52-666,529.76

Finding the Fourth Proportional to 1,149,683.36, 1,586,563.52 and 666,529.76

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Solution

The fourth proportional to 1,149,683.36, 1,586,563.52 and 666,529.76 is: 919,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,683.36 : 1,586,563.52 = 666,529.76 : x
  2. Step 2: Convert to fraction form
    1,149,683.36/1,586,563.52 = 666,529.76/x
  3. Step 3: Cross multiply
    1,149,683.36x = 1,586,563.52 × 666,529.76
  4. Step 4: Simplify right side
    1,149,683.36x = 1,057,491,802,210.36
  5. Step 5: Solve for x
    x = 1,057,491,802,210.36/1,149,683.36
  6. Step 6: Final answer
    x = 919,811.35

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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.