Home / 466,429.68-643,705.64-262,500.23

Finding the Fourth Proportional to 466,429.68, 643,705.64 and 262,500.23

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Solution

The fourth proportional to 466,429.68, 643,705.64 and 262,500.23 is: 362,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,429.68 : 643,705.64 = 262,500.23 : x
  2. Step 2: Convert to fraction form
    466,429.68/643,705.64 = 262,500.23/x
  3. Step 3: Cross multiply
    466,429.68x = 643,705.64 × 262,500.23
  4. Step 4: Simplify right side
    466,429.68x = 168,972,874,021.27
  5. Step 5: Solve for x
    x = 168,972,874,021.27/466,429.68
  6. Step 6: Final answer
    x = 362,268.70

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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.