Home / 1,149,302.15-1,586,036.91-666,147.55

Finding the Fourth Proportional to 1,149,302.15, 1,586,036.91 and 666,147.55

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Solution

The fourth proportional to 1,149,302.15, 1,586,036.91 and 666,147.55 is: 919,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,302.15 : 1,586,036.91 = 666,147.55 : x
  2. Step 2: Convert to fraction form
    1,149,302.15/1,586,036.91 = 666,147.55/x
  3. Step 3: Cross multiply
    1,149,302.15x = 1,586,036.91 × 666,147.55
  4. Step 4: Simplify right side
    1,149,302.15x = 1,056,534,601,806.07
  5. Step 5: Solve for x
    x = 1,056,534,601,806.07/1,149,302.15
  6. Step 6: Final answer
    x = 919,283.59

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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.