Home / 1,149,297.80-1,586,030.94-666,143.19

Finding the Fourth Proportional to 1,149,297.80, 1,586,030.94 and 666,143.19

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Solution

The fourth proportional to 1,149,297.80, 1,586,030.94 and 666,143.19 is: 919,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,297.80 : 1,586,030.94 = 666,143.19 : x
  2. Step 2: Convert to fraction form
    1,149,297.80/1,586,030.94 = 666,143.19/x
  3. Step 3: Cross multiply
    1,149,297.80x = 1,586,030.94 × 666,143.19
  4. Step 4: Simplify right side
    1,149,297.80x = 1,056,523,709,810.30
  5. Step 5: Solve for x
    x = 1,056,523,709,810.30/1,149,297.80
  6. Step 6: Final answer
    x = 919,277.59

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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.