Home / 431,529.07-646,844.52-241,711.15

Finding the Fourth Proportional to 431,529.07, 646,844.52 and 241,711.15

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Solution

The fourth proportional to 431,529.07, 646,844.52 and 241,711.15 is: 362,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,529.07 : 646,844.52 = 241,711.15 : x
  2. Step 2: Convert to fraction form
    431,529.07/646,844.52 = 241,711.15/x
  3. Step 3: Cross multiply
    431,529.07x = 646,844.52 × 241,711.15
  4. Step 4: Simplify right side
    431,529.07x = 156,349,532,800.40
  5. Step 5: Solve for x
    x = 156,349,532,800.40/431,529.07
  6. Step 6: Final answer
    x = 362,315.18

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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.