Home / 784,593.32-1,082,706.90-445,054.28

Finding the Fourth Proportional to 784,593.32, 1,082,706.90 and 445,054.28

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Solution

The fourth proportional to 784,593.32, 1,082,706.90 and 445,054.28 is: 614,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,593.32 : 1,082,706.90 = 445,054.28 : x
  2. Step 2: Convert to fraction form
    784,593.32/1,082,706.90 = 445,054.28/x
  3. Step 3: Cross multiply
    784,593.32x = 1,082,706.90 × 445,054.28
  4. Step 4: Simplify right side
    784,593.32x = 481,863,339,830.53
  5. Step 5: Solve for x
    x = 481,863,339,830.53/784,593.32
  6. Step 6: Final answer
    x = 614,156.82

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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.