Home / 784,595.82-1,082,710.35-445,056.78

Finding the Fourth Proportional to 784,595.82, 1,082,710.35 and 445,056.78

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Solution

The fourth proportional to 784,595.82, 1,082,710.35 and 445,056.78 is: 614,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,595.82 : 1,082,710.35 = 445,056.78 : x
  2. Step 2: Convert to fraction form
    784,595.82/1,082,710.35 = 445,056.78/x
  3. Step 3: Cross multiply
    784,595.82x = 1,082,710.35 × 445,056.78
  4. Step 4: Simplify right side
    784,595.82x = 481,867,582,043.67
  5. Step 5: Solve for x
    x = 481,867,582,043.67/784,595.82
  6. Step 6: Final answer
    x = 614,160.27

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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.