Home / 683,914.57-943,772.74-377,975.14

Finding the Fourth Proportional to 683,914.57, 943,772.74 and 377,975.14

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Solution

The fourth proportional to 683,914.57, 943,772.74 and 377,975.14 is: 521,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,914.57 : 943,772.74 = 377,975.14 : x
  2. Step 2: Convert to fraction form
    683,914.57/943,772.74 = 377,975.14/x
  3. Step 3: Cross multiply
    683,914.57x = 943,772.74 × 377,975.14
  4. Step 4: Simplify right side
    683,914.57x = 356,722,630,225.31
  5. Step 5: Solve for x
    x = 356,722,630,225.31/683,914.57
  6. Step 6: Final answer
    x = 521,589.46

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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.