Home / 898,453.62-1,239,418.40-535,621.82

Finding the Fourth Proportional to 898,453.62, 1,239,418.40 and 535,621.82

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Solution

The fourth proportional to 898,453.62, 1,239,418.40 and 535,621.82 is: 738,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,453.62 : 1,239,418.40 = 535,621.82 : x
  2. Step 2: Convert to fraction form
    898,453.62/1,239,418.40 = 535,621.82/x
  3. Step 3: Cross multiply
    898,453.62x = 1,239,418.40 × 535,621.82
  4. Step 4: Simplify right side
    898,453.62x = 663,859,530,274.29
  5. Step 5: Solve for x
    x = 663,859,530,274.29/898,453.62
  6. Step 6: Final answer
    x = 738,891.26

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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.