Home / 638,534.03-957,154.26-414,036.86

Finding the Fourth Proportional to 638,534.03, 957,154.26 and 414,036.86

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Solution

The fourth proportional to 638,534.03, 957,154.26 and 414,036.86 is: 620,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,534.03 : 957,154.26 = 414,036.86 : x
  2. Step 2: Convert to fraction form
    638,534.03/957,154.26 = 414,036.86/x
  3. Step 3: Cross multiply
    638,534.03x = 957,154.26 × 414,036.86
  4. Step 4: Simplify right side
    638,534.03x = 396,297,144,346.02
  5. Step 5: Solve for x
    x = 396,297,144,346.02/638,534.03
  6. Step 6: Final answer
    x = 620,635.90

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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.