Home / 757,851.66-1,045,843.83-418,319.82

Finding the Fourth Proportional to 757,851.66, 1,045,843.83 and 418,319.82

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Solution

The fourth proportional to 757,851.66, 1,045,843.83 and 418,319.82 is: 577,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,851.66 : 1,045,843.83 = 418,319.82 : x
  2. Step 2: Convert to fraction form
    757,851.66/1,045,843.83 = 418,319.82/x
  3. Step 3: Cross multiply
    757,851.66x = 1,045,843.83 × 418,319.82
  4. Step 4: Simplify right side
    757,851.66x = 437,497,202,713.71
  5. Step 5: Solve for x
    x = 437,497,202,713.71/757,851.66
  6. Step 6: Final answer
    x = 577,286.07

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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.