Home / 1,179,666.30-1,628,114.27-721,045.11

Finding the Fourth Proportional to 1,179,666.30, 1,628,114.27 and 721,045.11

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Solution

The fourth proportional to 1,179,666.30, 1,628,114.27 and 721,045.11 is: 995,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,666.30 : 1,628,114.27 = 721,045.11 : x
  2. Step 2: Convert to fraction form
    1,179,666.30/1,628,114.27 = 721,045.11/x
  3. Step 3: Cross multiply
    1,179,666.30x = 1,628,114.27 × 721,045.11
  4. Step 4: Simplify right side
    1,179,666.30x = 1,173,943,832,904.72
  5. Step 5: Solve for x
    x = 1,173,943,832,904.72/1,179,666.30
  6. Step 6: Final answer
    x = 995,149.08

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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.