Home / 433,639.07-650,438.55-113,783.03

Finding the Fourth Proportional to 433,639.07, 650,438.55 and 113,783.03

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Solution

The fourth proportional to 433,639.07, 650,438.55 and 113,783.03 is: 170,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,639.07 : 650,438.55 = 113,783.03 : x
  2. Step 2: Convert to fraction form
    433,639.07/650,438.55 = 113,783.03/x
  3. Step 3: Cross multiply
    433,639.07x = 650,438.55 × 113,783.03
  4. Step 4: Simplify right side
    433,639.07x = 74,008,869,047.81
  5. Step 5: Solve for x
    x = 74,008,869,047.81/433,639.07
  6. Step 6: Final answer
    x = 170,669.28

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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.