Home / 905,210.98-1,357,816.24-231,293.54

Finding the Fourth Proportional to 905,210.98, 1,357,816.24 and 231,293.54

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Solution

The fourth proportional to 905,210.98, 1,357,816.24 and 231,293.54 is: 346,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,210.98 : 1,357,816.24 = 231,293.54 : x
  2. Step 2: Convert to fraction form
    905,210.98/1,357,816.24 = 231,293.54/x
  3. Step 3: Cross multiply
    905,210.98x = 1,357,816.24 × 231,293.54
  4. Step 4: Simplify right side
    905,210.98x = 314,054,124,819.09
  5. Step 5: Solve for x
    x = 314,054,124,819.09/905,210.98
  6. Step 6: Final answer
    x = 346,940.25

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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.