Home / 923,550.30-1,385,471.25-391,074.66

Finding the Fourth Proportional to 923,550.30, 1,385,471.25 and 391,074.66

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Solution

The fourth proportional to 923,550.30, 1,385,471.25 and 391,074.66 is: 586,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,550.30 : 1,385,471.25 = 391,074.66 : x
  2. Step 2: Convert to fraction form
    923,550.30/1,385,471.25 = 391,074.66/x
  3. Step 3: Cross multiply
    923,550.30x = 1,385,471.25 × 391,074.66
  4. Step 4: Simplify right side
    923,550.30x = 541,822,698,033.53
  5. Step 5: Solve for x
    x = 541,822,698,033.53/923,550.30
  6. Step 6: Final answer
    x = 586,673.73

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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.