Home / 930,963.21-1,284,727.28-523,075.56

Finding the Fourth Proportional to 930,963.21, 1,284,727.28 and 523,075.56

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Solution

The fourth proportional to 930,963.21, 1,284,727.28 and 523,075.56 is: 721,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,963.21 : 1,284,727.28 = 523,075.56 : x
  2. Step 2: Convert to fraction form
    930,963.21/1,284,727.28 = 523,075.56/x
  3. Step 3: Cross multiply
    930,963.21x = 1,284,727.28 × 523,075.56
  4. Step 4: Simplify right side
    930,963.21x = 672,009,436,942.47
  5. Step 5: Solve for x
    x = 672,009,436,942.47/930,963.21
  6. Step 6: Final answer
    x = 721,843.18

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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.