Home / 413,287.86-619,339.77-235,427.61

Finding the Fourth Proportional to 413,287.86, 619,339.77 and 235,427.61

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Solution

The fourth proportional to 413,287.86, 619,339.77 and 235,427.61 is: 352,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,287.86 : 619,339.77 = 235,427.61 : x
  2. Step 2: Convert to fraction form
    413,287.86/619,339.77 = 235,427.61/x
  3. Step 3: Cross multiply
    413,287.86x = 619,339.77 × 235,427.61
  4. Step 4: Simplify right side
    413,287.86x = 145,809,681,829.05
  5. Step 5: Solve for x
    x = 145,809,681,829.05/413,287.86
  6. Step 6: Final answer
    x = 352,804.17

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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.