Home / 699,438.80-1,051,231.80-608,200.40

Finding the Fourth Proportional to 699,438.80, 1,051,231.80 and 608,200.40

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Solution

The fourth proportional to 699,438.80, 1,051,231.80 and 608,200.40 is: 914,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,438.80 : 1,051,231.80 = 608,200.40 : x
  2. Step 2: Convert to fraction form
    699,438.80/1,051,231.80 = 608,200.40/x
  3. Step 3: Cross multiply
    699,438.80x = 1,051,231.80 × 608,200.40
  4. Step 4: Simplify right side
    699,438.80x = 639,359,601,252.72
  5. Step 5: Solve for x
    x = 639,359,601,252.72/699,438.80
  6. Step 6: Final answer
    x = 914,103.71

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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.