Home / 733,836.38-1,012,696.02-428,122.94

Finding the Fourth Proportional to 733,836.38, 1,012,696.02 and 428,122.94

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Solution

The fourth proportional to 733,836.38, 1,012,696.02 and 428,122.94 is: 590,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,836.38 : 1,012,696.02 = 428,122.94 : x
  2. Step 2: Convert to fraction form
    733,836.38/1,012,696.02 = 428,122.94/x
  3. Step 3: Cross multiply
    733,836.38x = 1,012,696.02 × 428,122.94
  4. Step 4: Simplify right side
    733,836.38x = 433,558,392,345.22
  5. Step 5: Solve for x
    x = 433,558,392,345.22/733,836.38
  6. Step 6: Final answer
    x = 590,810.71

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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.