Home / 946,945.60-1,418,575.20-571,854.40

Finding the Fourth Proportional to 946,945.60, 1,418,575.20 and 571,854.40

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Solution

The fourth proportional to 946,945.60, 1,418,575.20 and 571,854.40 is: 856,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,945.60 : 1,418,575.20 = 571,854.40 : x
  2. Step 2: Convert to fraction form
    946,945.60/1,418,575.20 = 571,854.40/x
  3. Step 3: Cross multiply
    946,945.60x = 1,418,575.20 × 571,854.40
  4. Step 4: Simplify right side
    946,945.60x = 811,218,469,850.88
  5. Step 5: Solve for x
    x = 811,218,469,850.88/946,945.60
  6. Step 6: Final answer
    x = 856,668.50

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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.