Home / 1,149,296.85-1,586,029.65-666,142.25

Finding the Fourth Proportional to 1,149,296.85, 1,586,029.65 and 666,142.25

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Solution

The fourth proportional to 1,149,296.85, 1,586,029.65 and 666,142.25 is: 919,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,296.85 : 1,586,029.65 = 666,142.25 : x
  2. Step 2: Convert to fraction form
    1,149,296.85/1,586,029.65 = 666,142.25/x
  3. Step 3: Cross multiply
    1,149,296.85x = 1,586,029.65 × 666,142.25
  4. Step 4: Simplify right side
    1,149,296.85x = 1,056,521,349,189.53
  5. Step 5: Solve for x
    x = 1,056,521,349,189.53/1,149,296.85
  6. Step 6: Final answer
    x = 919,276.29

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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.