Home / 923,903.62-1,388,315.78-497,766.66

Finding the Fourth Proportional to 923,903.62, 1,388,315.78 and 497,766.66

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Solution

The fourth proportional to 923,903.62, 1,388,315.78 and 497,766.66 is: 747,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,903.62 : 1,388,315.78 = 497,766.66 : x
  2. Step 2: Convert to fraction form
    923,903.62/1,388,315.78 = 497,766.66/x
  3. Step 3: Cross multiply
    923,903.62x = 1,388,315.78 × 497,766.66
  4. Step 4: Simplify right side
    923,903.62x = 691,057,308,835.90
  5. Step 5: Solve for x
    x = 691,057,308,835.90/923,903.62
  6. Step 6: Final answer
    x = 747,975.54

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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.