Home / 862,578.59-1,190,358.32-475,393.91

Finding the Fourth Proportional to 862,578.59, 1,190,358.32 and 475,393.91

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Solution

The fourth proportional to 862,578.59, 1,190,358.32 and 475,393.91 is: 656,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,578.59 : 1,190,358.32 = 475,393.91 : x
  2. Step 2: Convert to fraction form
    862,578.59/1,190,358.32 = 475,393.91/x
  3. Step 3: Cross multiply
    862,578.59x = 1,190,358.32 × 475,393.91
  4. Step 4: Simplify right side
    862,578.59x = 565,889,087,717.07
  5. Step 5: Solve for x
    x = 565,889,087,717.07/862,578.59
  6. Step 6: Final answer
    x = 656,043.52

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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.