Home / 619,054.58-928,844.32-338,243.78

Finding the Fourth Proportional to 619,054.58, 928,844.32 and 338,243.78

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Solution

The fourth proportional to 619,054.58, 928,844.32 and 338,243.78 is: 507,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,054.58 : 928,844.32 = 338,243.78 : x
  2. Step 2: Convert to fraction form
    619,054.58/928,844.32 = 338,243.78/x
  3. Step 3: Cross multiply
    619,054.58x = 928,844.32 × 338,243.78
  4. Step 4: Simplify right side
    619,054.58x = 314,175,813,828.33
  5. Step 5: Solve for x
    x = 314,175,813,828.33/619,054.58
  6. Step 6: Final answer
    x = 507,509.07

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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.