Home / 492,656.74-679,865.79-266,302.24

Finding the Fourth Proportional to 492,656.74, 679,865.79 and 266,302.24

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Solution

The fourth proportional to 492,656.74, 679,865.79 and 266,302.24 is: 367,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,656.74 : 679,865.79 = 266,302.24 : x
  2. Step 2: Convert to fraction form
    492,656.74/679,865.79 = 266,302.24/x
  3. Step 3: Cross multiply
    492,656.74x = 679,865.79 × 266,302.24
  4. Step 4: Simplify right side
    492,656.74x = 181,049,782,776.37
  5. Step 5: Solve for x
    x = 181,049,782,776.37/492,656.74
  6. Step 6: Final answer
    x = 367,496.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.