Home / 784,371.06-1,082,453.61-440,228.38

Finding the Fourth Proportional to 784,371.06, 1,082,453.61 and 440,228.38

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Solution

The fourth proportional to 784,371.06, 1,082,453.61 and 440,228.38 is: 607,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,371.06 : 1,082,453.61 = 440,228.38 : x
  2. Step 2: Convert to fraction form
    784,371.06/1,082,453.61 = 440,228.38/x
  3. Step 3: Cross multiply
    784,371.06x = 1,082,453.61 × 440,228.38
  4. Step 4: Simplify right side
    784,371.06x = 476,526,799,155.45
  5. Step 5: Solve for x
    x = 476,526,799,155.45/784,371.06
  6. Step 6: Final answer
    x = 607,527.26

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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.