Home / 1,227,781.36-1,841,497.08-386,311.24

Finding the Fourth Proportional to 1,227,781.36, 1,841,497.08 and 386,311.24

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Solution

The fourth proportional to 1,227,781.36, 1,841,497.08 and 386,311.24 is: 579,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,781.36 : 1,841,497.08 = 386,311.24 : x
  2. Step 2: Convert to fraction form
    1,227,781.36/1,841,497.08 = 386,311.24/x
  3. Step 3: Cross multiply
    1,227,781.36x = 1,841,497.08 × 386,311.24
  4. Step 4: Simplify right side
    1,227,781.36x = 711,391,020,431.18
  5. Step 5: Solve for x
    x = 711,391,020,431.18/1,227,781.36
  6. Step 6: Final answer
    x = 579,411.81

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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.