Home / 923,807.12-1,384,594.52-449,782.16

Finding the Fourth Proportional to 923,807.12, 1,384,594.52 and 449,782.16

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Solution

The fourth proportional to 923,807.12, 1,384,594.52 and 449,782.16 is: 674,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,807.12 : 1,384,594.52 = 449,782.16 : x
  2. Step 2: Convert to fraction form
    923,807.12/1,384,594.52 = 449,782.16/x
  3. Step 3: Cross multiply
    923,807.12x = 1,384,594.52 × 449,782.16
  4. Step 4: Simplify right side
    923,807.12x = 622,765,913,929.76
  5. Step 5: Solve for x
    x = 622,765,913,929.76/923,807.12
  6. Step 6: Final answer
    x = 674,129.81

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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.