Home / 646,986.66-892,841.61-375,212.17

Finding the Fourth Proportional to 646,986.66, 892,841.61 and 375,212.17

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Solution

The fourth proportional to 646,986.66, 892,841.61 and 375,212.17 is: 517,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,986.66 : 892,841.61 = 375,212.17 : x
  2. Step 2: Convert to fraction form
    646,986.66/892,841.61 = 375,212.17/x
  3. Step 3: Cross multiply
    646,986.66x = 892,841.61 × 375,212.17
  4. Step 4: Simplify right side
    646,986.66x = 335,005,037,954.39
  5. Step 5: Solve for x
    x = 335,005,037,954.39/646,986.66
  6. Step 6: Final answer
    x = 517,792.81

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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.