Home / 638,126.03-957,185.61-368,079.14

Finding the Fourth Proportional to 638,126.03, 957,185.61 and 368,079.14

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Solution

The fourth proportional to 638,126.03, 957,185.61 and 368,079.14 is: 552,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,126.03 : 957,185.61 = 368,079.14 : x
  2. Step 2: Convert to fraction form
    638,126.03/957,185.61 = 368,079.14/x
  3. Step 3: Cross multiply
    638,126.03x = 957,185.61 × 368,079.14
  4. Step 4: Simplify right side
    638,126.03x = 352,320,051,777.67
  5. Step 5: Solve for x
    x = 352,320,051,777.67/638,126.03
  6. Step 6: Final answer
    x = 552,116.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.