Home / 459,309.47-633,868.19-255,381.14

Finding the Fourth Proportional to 459,309.47, 633,868.19 and 255,381.14

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Solution

The fourth proportional to 459,309.47, 633,868.19 and 255,381.14 is: 352,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,309.47 : 633,868.19 = 255,381.14 : x
  2. Step 2: Convert to fraction form
    459,309.47/633,868.19 = 255,381.14/x
  3. Step 3: Cross multiply
    459,309.47x = 633,868.19 × 255,381.14
  4. Step 4: Simplify right side
    459,309.47x = 161,877,976,525.69
  5. Step 5: Solve for x
    x = 161,877,976,525.69/459,309.47
  6. Step 6: Final answer
    x = 352,437.71

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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.