Home / 505,417.23-757,872.27-168,339.33

Finding the Fourth Proportional to 505,417.23, 757,872.27 and 168,339.33

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Solution

The fourth proportional to 505,417.23, 757,872.27 and 168,339.33 is: 252,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,417.23 : 757,872.27 = 168,339.33 : x
  2. Step 2: Convert to fraction form
    505,417.23/757,872.27 = 168,339.33/x
  3. Step 3: Cross multiply
    505,417.23x = 757,872.27 × 168,339.33
  4. Step 4: Simplify right side
    505,417.23x = 127,579,710,157.38
  5. Step 5: Solve for x
    x = 127,579,710,157.38/505,417.23
  6. Step 6: Final answer
    x = 252,424.54

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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.