Home / 846,142.17-1,167,669.40-458,956.61

Finding the Fourth Proportional to 846,142.17, 1,167,669.40 and 458,956.61

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Solution

The fourth proportional to 846,142.17, 1,167,669.40 and 458,956.61 is: 633,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,142.17 : 1,167,669.40 = 458,956.61 : x
  2. Step 2: Convert to fraction form
    846,142.17/1,167,669.40 = 458,956.61/x
  3. Step 3: Cross multiply
    846,142.17x = 1,167,669.40 × 458,956.61
  4. Step 4: Simplify right side
    846,142.17x = 535,909,583,103.41
  5. Step 5: Solve for x
    x = 535,909,583,103.41/846,142.17
  6. Step 6: Final answer
    x = 633,356.43

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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.