Home / 621,226.27-930,888.15-418,069.36

Finding the Fourth Proportional to 621,226.27, 930,888.15 and 418,069.36

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Solution

The fourth proportional to 621,226.27, 930,888.15 and 418,069.36 is: 626,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,226.27 : 930,888.15 = 418,069.36 : x
  2. Step 2: Convert to fraction form
    621,226.27/930,888.15 = 418,069.36/x
  3. Step 3: Cross multiply
    621,226.27x = 930,888.15 × 418,069.36
  4. Step 4: Simplify right side
    621,226.27x = 389,175,813,102.08
  5. Step 5: Solve for x
    x = 389,175,813,102.08/621,226.27
  6. Step 6: Final answer
    x = 626,463.87

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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.