Home / 683,450.65-943,142.70-377,521.35

Finding the Fourth Proportional to 683,450.65, 943,142.70 and 377,521.35

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Solution

The fourth proportional to 683,450.65, 943,142.70 and 377,521.35 is: 520,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,450.65 : 943,142.70 = 377,521.35 : x
  2. Step 2: Convert to fraction form
    683,450.65/943,142.70 = 377,521.35/x
  3. Step 3: Cross multiply
    683,450.65x = 943,142.70 × 377,521.35
  4. Step 4: Simplify right side
    683,450.65x = 356,056,505,346.65
  5. Step 5: Solve for x
    x = 356,056,505,346.65/683,450.65
  6. Step 6: Final answer
    x = 520,968.86

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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.