Home / 733,846.38-1,012,709.82-428,132.94

Finding the Fourth Proportional to 733,846.38, 1,012,709.82 and 428,132.94

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Solution

The fourth proportional to 733,846.38, 1,012,709.82 and 428,132.94 is: 590,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,846.38 : 1,012,709.82 = 428,132.94 : x
  2. Step 2: Convert to fraction form
    733,846.38/1,012,709.82 = 428,132.94/x
  3. Step 3: Cross multiply
    733,846.38x = 1,012,709.82 × 428,132.94
  4. Step 4: Simplify right side
    733,846.38x = 433,574,432,603.47
  5. Step 5: Solve for x
    x = 433,574,432,603.47/733,846.38
  6. Step 6: Final answer
    x = 590,824.52

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Double scale
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1.5x scale

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.