Home / 784,719.76-1,082,838.45-440,476.85

Finding the Fourth Proportional to 784,719.76, 1,082,838.45 and 440,476.85

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Solution

The fourth proportional to 784,719.76, 1,082,838.45 and 440,476.85 is: 607,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,719.76 : 1,082,838.45 = 440,476.85 : x
  2. Step 2: Convert to fraction form
    784,719.76/1,082,838.45 = 440,476.85/x
  3. Step 3: Cross multiply
    784,719.76x = 1,082,838.45 × 440,476.85
  4. Step 4: Simplify right side
    784,719.76x = 476,965,269,514.88
  5. Step 5: Solve for x
    x = 476,965,269,514.88/784,719.76
  6. Step 6: Final answer
    x = 607,816.06

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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.