Home / 1,117,623.42-1,676,685.15-407,651.49

Finding the Fourth Proportional to 1,117,623.42, 1,676,685.15 and 407,651.49

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Solution

The fourth proportional to 1,117,623.42, 1,676,685.15 and 407,651.49 is: 611,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,623.42 : 1,676,685.15 = 407,651.49 : x
  2. Step 2: Convert to fraction form
    1,117,623.42/1,676,685.15 = 407,651.49/x
  3. Step 3: Cross multiply
    1,117,623.42x = 1,676,685.15 × 407,651.49
  4. Step 4: Simplify right side
    1,117,623.42x = 683,503,199,658.37
  5. Step 5: Solve for x
    x = 683,503,199,658.37/1,117,623.42
  6. Step 6: Final answer
    x = 611,568.43

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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.