Home / 459,819.36-634,544.52-258,615.36

Finding the Fourth Proportional to 459,819.36, 634,544.52 and 258,615.36

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Solution

The fourth proportional to 459,819.36, 634,544.52 and 258,615.36 is: 356,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,819.36 : 634,544.52 = 258,615.36 : x
  2. Step 2: Convert to fraction form
    459,819.36/634,544.52 = 258,615.36/x
  3. Step 3: Cross multiply
    459,819.36x = 634,544.52 × 258,615.36
  4. Step 4: Simplify right side
    459,819.36x = 164,102,959,475.83
  5. Step 5: Solve for x
    x = 164,102,959,475.83/459,819.36
  6. Step 6: Final answer
    x = 356,885.71

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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.