Home / 1,149,297.76-1,586,030.89-666,143.15

Finding the Fourth Proportional to 1,149,297.76, 1,586,030.89 and 666,143.15

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Solution

The fourth proportional to 1,149,297.76, 1,586,030.89 and 666,143.15 is: 919,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,297.76 : 1,586,030.89 = 666,143.15 : x
  2. Step 2: Convert to fraction form
    1,149,297.76/1,586,030.89 = 666,143.15/x
  3. Step 3: Cross multiply
    1,149,297.76x = 1,586,030.89 × 666,143.15
  4. Step 4: Simplify right side
    1,149,297.76x = 1,056,523,613,061.90
  5. Step 5: Solve for x
    x = 1,056,523,613,061.90/1,149,297.76
  6. Step 6: Final answer
    x = 919,277.54

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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.