Home / 622,795.02-859,520.73-381,237.23

Finding the Fourth Proportional to 622,795.02, 859,520.73 and 381,237.23

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Solution

The fourth proportional to 622,795.02, 859,520.73 and 381,237.23 is: 526,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,795.02 : 859,520.73 = 381,237.23 : x
  2. Step 2: Convert to fraction form
    622,795.02/859,520.73 = 381,237.23/x
  3. Step 3: Cross multiply
    622,795.02x = 859,520.73 × 381,237.23
  4. Step 4: Simplify right side
    622,795.02x = 327,681,297,935.17
  5. Step 5: Solve for x
    x = 327,681,297,935.17/622,795.02
  6. Step 6: Final answer
    x = 526,146.30

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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.