Home / 1,042,311.56-1,438,185.38-654,902.51

Finding the Fourth Proportional to 1,042,311.56, 1,438,185.38 and 654,902.51

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Solution

The fourth proportional to 1,042,311.56, 1,438,185.38 and 654,902.51 is: 903,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,311.56 : 1,438,185.38 = 654,902.51 : x
  2. Step 2: Convert to fraction form
    1,042,311.56/1,438,185.38 = 654,902.51/x
  3. Step 3: Cross multiply
    1,042,311.56x = 1,438,185.38 × 654,902.51
  4. Step 4: Simplify right side
    1,042,311.56x = 941,871,209,653.63
  5. Step 5: Solve for x
    x = 941,871,209,653.63/1,042,311.56
  6. Step 6: Final answer
    x = 903,636.93

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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.