Home / 629,943.84-944,902.80-209,223.36

Finding the Fourth Proportional to 629,943.84, 944,902.80 and 209,223.36

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Solution

The fourth proportional to 629,943.84, 944,902.80 and 209,223.36 is: 313,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,943.84 : 944,902.80 = 209,223.36 : x
  2. Step 2: Convert to fraction form
    629,943.84/944,902.80 = 209,223.36/x
  3. Step 3: Cross multiply
    629,943.84x = 944,902.80 × 209,223.36
  4. Step 4: Simplify right side
    629,943.84x = 197,695,738,689.41
  5. Step 5: Solve for x
    x = 197,695,738,689.41/629,943.84
  6. Step 6: Final answer
    x = 313,830.74

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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.