Home / 923,313.80-1,384,193.10-480,081.80

Finding the Fourth Proportional to 923,313.80, 1,384,193.10 and 480,081.80

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Solution

The fourth proportional to 923,313.80, 1,384,193.10 and 480,081.80 is: 719,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,313.80 : 1,384,193.10 = 480,081.80 : x
  2. Step 2: Convert to fraction form
    923,313.80/1,384,193.10 = 480,081.80/x
  3. Step 3: Cross multiply
    923,313.80x = 1,384,193.10 × 480,081.80
  4. Step 4: Simplify right side
    923,313.80x = 664,525,914,995.58
  5. Step 5: Solve for x
    x = 664,525,914,995.58/923,313.80
  6. Step 6: Final answer
    x = 719,718.38

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Double scale
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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.