Home / 622,815.45-859,485.30-336,335.53

Finding the Fourth Proportional to 622,815.45, 859,485.30 and 336,335.53

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Solution

The fourth proportional to 622,815.45, 859,485.30 and 336,335.53 is: 464,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,815.45 : 859,485.30 = 336,335.53 : x
  2. Step 2: Convert to fraction form
    622,815.45/859,485.30 = 336,335.53/x
  3. Step 3: Cross multiply
    622,815.45x = 859,485.30 × 336,335.53
  4. Step 4: Simplify right side
    622,815.45x = 289,075,443,902.71
  5. Step 5: Solve for x
    x = 289,075,443,902.71/622,815.45
  6. Step 6: Final answer
    x = 464,143.02

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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.