Home / 784,710.59-1,082,936.18-462,434.27

Finding the Fourth Proportional to 784,710.59, 1,082,936.18 and 462,434.27

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Solution

The fourth proportional to 784,710.59, 1,082,936.18 and 462,434.27 is: 638,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,710.59 : 1,082,936.18 = 462,434.27 : x
  2. Step 2: Convert to fraction form
    784,710.59/1,082,936.18 = 462,434.27/x
  3. Step 3: Cross multiply
    784,710.59x = 1,082,936.18 × 462,434.27
  4. Step 4: Simplify right side
    784,710.59x = 500,786,797,596.29
  5. Step 5: Solve for x
    x = 500,786,797,596.29/784,710.59
  6. Step 6: Final answer
    x = 638,180.25

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Double scale
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Similar ratio
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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.