Home / 616,537.06-850,795.05-387,214.18

Finding the Fourth Proportional to 616,537.06, 850,795.05 and 387,214.18

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Solution

The fourth proportional to 616,537.06, 850,795.05 and 387,214.18 is: 534,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,537.06 : 850,795.05 = 387,214.18 : x
  2. Step 2: Convert to fraction form
    616,537.06/850,795.05 = 387,214.18/x
  3. Step 3: Cross multiply
    616,537.06x = 850,795.05 × 387,214.18
  4. Step 4: Simplify right side
    616,537.06x = 329,439,907,633.81
  5. Step 5: Solve for x
    x = 329,439,907,633.81/616,537.06
  6. Step 6: Final answer
    x = 534,339.18

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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.