Home / 638,847.60-881,607.81-366,933.03

Finding the Fourth Proportional to 638,847.60, 881,607.81 and 366,933.03

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Solution

The fourth proportional to 638,847.60, 881,607.81 and 366,933.03 is: 506,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,847.60 : 881,607.81 = 366,933.03 : x
  2. Step 2: Convert to fraction form
    638,847.60/881,607.81 = 366,933.03/x
  3. Step 3: Cross multiply
    638,847.60x = 881,607.81 × 366,933.03
  4. Step 4: Simplify right side
    638,847.60x = 323,491,024,994.96
  5. Step 5: Solve for x
    x = 323,491,024,994.96/638,847.60
  6. Step 6: Final answer
    x = 506,366.50

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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.