Home / 622,818.98-859,490.18-336,339.04

Finding the Fourth Proportional to 622,818.98, 859,490.18 and 336,339.04

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Solution

The fourth proportional to 622,818.98, 859,490.18 and 336,339.04 is: 464,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,818.98 : 859,490.18 = 336,339.04 : x
  2. Step 2: Convert to fraction form
    622,818.98/859,490.18 = 336,339.04/x
  3. Step 3: Cross multiply
    622,818.98x = 859,490.18 × 336,339.04
  4. Step 4: Simplify right side
    622,818.98x = 289,080,101,519.78
  5. Step 5: Solve for x
    x = 289,080,101,519.78/622,818.98
  6. Step 6: Final answer
    x = 464,147.87

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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.