Home / 683,338.60-1,024,118.70-278,058.40

Finding the Fourth Proportional to 683,338.60, 1,024,118.70 and 278,058.40

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Solution

The fourth proportional to 683,338.60, 1,024,118.70 and 278,058.40 is: 416,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,338.60 : 1,024,118.70 = 278,058.40 : x
  2. Step 2: Convert to fraction form
    683,338.60/1,024,118.70 = 278,058.40/x
  3. Step 3: Cross multiply
    683,338.60x = 1,024,118.70 × 278,058.40
  4. Step 4: Simplify right side
    683,338.60x = 284,764,807,132.08
  5. Step 5: Solve for x
    x = 284,764,807,132.08/683,338.60
  6. Step 6: Final answer
    x = 416,725.77

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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.