Home / 1,298,812.11-1,948,401.05-400,326.27

Finding the Fourth Proportional to 1,298,812.11, 1,948,401.05 and 400,326.27

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Solution

The fourth proportional to 1,298,812.11, 1,948,401.05 and 400,326.27 is: 600,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,812.11 : 1,948,401.05 = 400,326.27 : x
  2. Step 2: Convert to fraction form
    1,298,812.11/1,948,401.05 = 400,326.27/x
  3. Step 3: Cross multiply
    1,298,812.11x = 1,948,401.05 × 400,326.27
  4. Step 4: Simplify right side
    1,298,812.11x = 779,996,122,808.95
  5. Step 5: Solve for x
    x = 779,996,122,808.95/1,298,812.11
  6. Step 6: Final answer
    x = 600,545.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.