Home / 1,165,163.52-1,748,164.76-407,116.52

Finding the Fourth Proportional to 1,165,163.52, 1,748,164.76 and 407,116.52

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Solution

The fourth proportional to 1,165,163.52, 1,748,164.76 and 407,116.52 is: 610,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,163.52 : 1,748,164.76 = 407,116.52 : x
  2. Step 2: Convert to fraction form
    1,165,163.52/1,748,164.76 = 407,116.52/x
  3. Step 3: Cross multiply
    1,165,163.52x = 1,748,164.76 × 407,116.52
  4. Step 4: Simplify right side
    1,165,163.52x = 711,706,753,477.84
  5. Step 5: Solve for x
    x = 711,706,753,477.84/1,165,163.52
  6. Step 6: Final answer
    x = 610,821.35

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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.