Home / 1,186,541.66-1,637,417.62-642,664.73

Finding the Fourth Proportional to 1,186,541.66, 1,637,417.62 and 642,664.73

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Solution

The fourth proportional to 1,186,541.66, 1,637,417.62 and 642,664.73 is: 886,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,541.66 : 1,637,417.62 = 642,664.73 : x
  2. Step 2: Convert to fraction form
    1,186,541.66/1,637,417.62 = 642,664.73/x
  3. Step 3: Cross multiply
    1,186,541.66x = 1,637,417.62 × 642,664.73
  4. Step 4: Simplify right side
    1,186,541.66x = 1,052,310,552,654.54
  5. Step 5: Solve for x
    x = 1,052,310,552,654.54/1,186,541.66
  6. Step 6: Final answer
    x = 886,871.98

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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.