Home / 1,579,516.67-2,179,545.68-891,148.40

Finding the Fourth Proportional to 1,579,516.67, 2,179,545.68 and 891,148.40

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Solution

The fourth proportional to 1,579,516.67, 2,179,545.68 and 891,148.40 is: 1,229,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,516.67 : 2,179,545.68 = 891,148.40 : x
  2. Step 2: Convert to fraction form
    1,579,516.67/2,179,545.68 = 891,148.40/x
  3. Step 3: Cross multiply
    1,579,516.67x = 2,179,545.68 × 891,148.40
  4. Step 4: Simplify right side
    1,579,516.67x = 1,942,298,645,458.91
  5. Step 5: Solve for x
    x = 1,942,298,645,458.91/1,579,516.67
  6. Step 6: Final answer
    x = 1,229,679.11

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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.