Home / 959,068.71-1,438,872.80-419,372.46

Finding the Fourth Proportional to 959,068.71, 1,438,872.80 and 419,372.46

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Solution

The fourth proportional to 959,068.71, 1,438,872.80 and 419,372.46 is: 629,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,068.71 : 1,438,872.80 = 419,372.46 : x
  2. Step 2: Convert to fraction form
    959,068.71/1,438,872.80 = 419,372.46/x
  3. Step 3: Cross multiply
    959,068.71x = 1,438,872.80 × 419,372.46
  4. Step 4: Simplify right side
    959,068.71x = 603,423,623,666.23
  5. Step 5: Solve for x
    x = 603,423,623,666.23/959,068.71
  6. Step 6: Final answer
    x = 629,176.63

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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.