Home / 436,905.60-655,358.40-121,365.60

Finding the Fourth Proportional to 436,905.60, 655,358.40 and 121,365.60

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Solution

The fourth proportional to 436,905.60, 655,358.40 and 121,365.60 is: 182,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,905.60 : 655,358.40 = 121,365.60 : x
  2. Step 2: Convert to fraction form
    436,905.60/655,358.40 = 121,365.60/x
  3. Step 3: Cross multiply
    436,905.60x = 655,358.40 × 121,365.60
  4. Step 4: Simplify right side
    436,905.60x = 79,537,965,431.04
  5. Step 5: Solve for x
    x = 79,537,965,431.04/436,905.60
  6. Step 6: Final answer
    x = 182,048.40

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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.