Home / 1,149,299.80-1,586,033.70-666,145.20

Finding the Fourth Proportional to 1,149,299.80, 1,586,033.70 and 666,145.20

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Solution

The fourth proportional to 1,149,299.80, 1,586,033.70 and 666,145.20 is: 919,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,299.80 : 1,586,033.70 = 666,145.20 : x
  2. Step 2: Convert to fraction form
    1,149,299.80/1,586,033.70 = 666,145.20/x
  3. Step 3: Cross multiply
    1,149,299.80x = 1,586,033.70 × 666,145.20
  4. Step 4: Simplify right side
    1,149,299.80x = 1,056,528,736,293.24
  5. Step 5: Solve for x
    x = 1,056,528,736,293.24/1,149,299.80
  6. Step 6: Final answer
    x = 919,280.36

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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.