Home / 938,851.26-1,407,654.63-339,734.45

Finding the Fourth Proportional to 938,851.26, 1,407,654.63 and 339,734.45

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Solution

The fourth proportional to 938,851.26, 1,407,654.63 and 339,734.45 is: 509,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,851.26 : 1,407,654.63 = 339,734.45 : x
  2. Step 2: Convert to fraction form
    938,851.26/1,407,654.63 = 339,734.45/x
  3. Step 3: Cross multiply
    938,851.26x = 1,407,654.63 × 339,734.45
  4. Step 4: Simplify right side
    938,851.26x = 478,228,764,474.73
  5. Step 5: Solve for x
    x = 478,228,764,474.73/938,851.26
  6. Step 6: Final answer
    x = 509,376.50

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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.