Home / 626,274.60-939,349.59-289,310.43

Finding the Fourth Proportional to 626,274.60, 939,349.59 and 289,310.43

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Solution

The fourth proportional to 626,274.60, 939,349.59 and 289,310.43 is: 433,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,274.60 : 939,349.59 = 289,310.43 : x
  2. Step 2: Convert to fraction form
    626,274.60/939,349.59 = 289,310.43/x
  3. Step 3: Cross multiply
    626,274.60x = 939,349.59 × 289,310.43
  4. Step 4: Simplify right side
    626,274.60x = 271,763,637,868.24
  5. Step 5: Solve for x
    x = 271,763,637,868.24/626,274.60
  6. Step 6: Final answer
    x = 433,936.87

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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.