Home / 611,823.42-844,315.53-339,916.41

Finding the Fourth Proportional to 611,823.42, 844,315.53 and 339,916.41

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Solution

The fourth proportional to 611,823.42, 844,315.53 and 339,916.41 is: 469,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,823.42 : 844,315.53 = 339,916.41 : x
  2. Step 2: Convert to fraction form
    611,823.42/844,315.53 = 339,916.41/x
  3. Step 3: Cross multiply
    611,823.42x = 844,315.53 × 339,916.41
  4. Step 4: Simplify right side
    611,823.42x = 286,996,703,864.85
  5. Step 5: Solve for x
    x = 286,996,703,864.85/611,823.42
  6. Step 6: Final answer
    x = 469,084.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.