Home / 1,144,687.44-1,579,348.56-715,403.64

Finding the Fourth Proportional to 1,144,687.44, 1,579,348.56 and 715,403.64

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Solution

The fourth proportional to 1,144,687.44, 1,579,348.56 and 715,403.64 is: 987,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,687.44 : 1,579,348.56 = 715,403.64 : x
  2. Step 2: Convert to fraction form
    1,144,687.44/1,579,348.56 = 715,403.64/x
  3. Step 3: Cross multiply
    1,144,687.44x = 1,579,348.56 × 715,403.64
  4. Step 4: Simplify right side
    1,144,687.44x = 1,129,871,708,652.76
  5. Step 5: Solve for x
    x = 1,129,871,708,652.76/1,144,687.44
  6. Step 6: Final answer
    x = 987,056.96

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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.