Home / 626,278.60-939,355.60-289,314.44

Finding the Fourth Proportional to 626,278.60, 939,355.60 and 289,314.44

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Solution

The fourth proportional to 626,278.60, 939,355.60 and 289,314.44 is: 433,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,278.60 : 939,355.60 = 289,314.44 : x
  2. Step 2: Convert to fraction form
    626,278.60/939,355.60 = 289,314.44/x
  3. Step 3: Cross multiply
    626,278.60x = 939,355.60 × 289,314.44
  4. Step 4: Simplify right side
    626,278.60x = 271,769,139,374.86
  5. Step 5: Solve for x
    x = 271,769,139,374.86/626,278.60
  6. Step 6: Final answer
    x = 433,942.88

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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.