Home / 1,333,459.80-1,840,179.16-721,612.41

Finding the Fourth Proportional to 1,333,459.80, 1,840,179.16 and 721,612.41

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Solution

The fourth proportional to 1,333,459.80, 1,840,179.16 and 721,612.41 is: 995,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,459.80 : 1,840,179.16 = 721,612.41 : x
  2. Step 2: Convert to fraction form
    1,333,459.80/1,840,179.16 = 721,612.41/x
  3. Step 3: Cross multiply
    1,333,459.80x = 1,840,179.16 × 721,612.41
  4. Step 4: Simplify right side
    1,333,459.80x = 1,327,896,118,479.38
  5. Step 5: Solve for x
    x = 1,327,896,118,479.38/1,333,459.80
  6. Step 6: Final answer
    x = 995,827.63

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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.