Home / 638,535.03-957,155.76-414,037.86

Finding the Fourth Proportional to 638,535.03, 957,155.76 and 414,037.86

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Solution

The fourth proportional to 638,535.03, 957,155.76 and 414,037.86 is: 620,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,535.03 : 957,155.76 = 414,037.86 : x
  2. Step 2: Convert to fraction form
    638,535.03/957,155.76 = 414,037.86/x
  3. Step 3: Cross multiply
    638,535.03x = 957,155.76 × 414,037.86
  4. Step 4: Simplify right side
    638,535.03x = 396,298,722,557.07
  5. Step 5: Solve for x
    x = 396,298,722,557.07/638,535.03
  6. Step 6: Final answer
    x = 620,637.40

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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.