Home / 784,336.66-1,082,384.59-444,804.91

Finding the Fourth Proportional to 784,336.66, 1,082,384.59 and 444,804.91

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Solution

The fourth proportional to 784,336.66, 1,082,384.59 and 444,804.91 is: 613,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,336.66 : 1,082,384.59 = 444,804.91 : x
  2. Step 2: Convert to fraction form
    784,336.66/1,082,384.59 = 444,804.91/x
  3. Step 3: Cross multiply
    784,336.66x = 1,082,384.59 × 444,804.91
  4. Step 4: Simplify right side
    784,336.66x = 481,449,980,140.34
  5. Step 5: Solve for x
    x = 481,449,980,140.34/784,336.66
  6. Step 6: Final answer
    x = 613,830.78

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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.