Home / 454,043.17-626,623.80-339,122.30

Finding the Fourth Proportional to 454,043.17, 626,623.80 and 339,122.30

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Solution

The fourth proportional to 454,043.17, 626,623.80 and 339,122.30 is: 468,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,043.17 : 626,623.80 = 339,122.30 : x
  2. Step 2: Convert to fraction form
    454,043.17/626,623.80 = 339,122.30/x
  3. Step 3: Cross multiply
    454,043.17x = 626,623.80 × 339,122.30
  4. Step 4: Simplify right side
    454,043.17x = 212,502,099,885.91
  5. Step 5: Solve for x
    x = 212,502,099,885.91/454,043.17
  6. Step 6: Final answer
    x = 468,021.79

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1.5x scale

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.