Home / 699,636.65-1,043,998.45-624,238.61

Finding the Fourth Proportional to 699,636.65, 1,043,998.45 and 624,238.61

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Solution

The fourth proportional to 699,636.65, 1,043,998.45 and 624,238.61 is: 931,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,636.65 : 1,043,998.45 = 624,238.61 : x
  2. Step 2: Convert to fraction form
    699,636.65/1,043,998.45 = 624,238.61/x
  3. Step 3: Cross multiply
    699,636.65x = 1,043,998.45 × 624,238.61
  4. Step 4: Simplify right side
    699,636.65x = 651,704,134,489.57
  5. Step 5: Solve for x
    x = 651,704,134,489.57/699,636.65
  6. Step 6: Final answer
    x = 931,489.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.