Home / 670,907.43-1,006,157.03-191,174.40

Finding the Fourth Proportional to 670,907.43, 1,006,157.03 and 191,174.40

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Solution

The fourth proportional to 670,907.43, 1,006,157.03 and 191,174.40 is: 286,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,907.43 : 1,006,157.03 = 191,174.40 : x
  2. Step 2: Convert to fraction form
    670,907.43/1,006,157.03 = 191,174.40/x
  3. Step 3: Cross multiply
    670,907.43x = 1,006,157.03 × 191,174.40
  4. Step 4: Simplify right side
    670,907.43x = 192,351,465,560.16
  5. Step 5: Solve for x
    x = 192,351,465,560.16/670,907.43
  6. Step 6: Final answer
    x = 286,703.44

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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.