Home / 1,186,222.17-1,778,965.25-427,965.06

Finding the Fourth Proportional to 1,186,222.17, 1,778,965.25 and 427,965.06

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Solution

The fourth proportional to 1,186,222.17, 1,778,965.25 and 427,965.06 is: 641,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,222.17 : 1,778,965.25 = 427,965.06 : x
  2. Step 2: Convert to fraction form
    1,186,222.17/1,778,965.25 = 427,965.06/x
  3. Step 3: Cross multiply
    1,186,222.17x = 1,778,965.25 × 427,965.06
  4. Step 4: Simplify right side
    1,186,222.17x = 761,334,977,695.20
  5. Step 5: Solve for x
    x = 761,334,977,695.20/1,186,222.17
  6. Step 6: Final answer
    x = 641,814.83

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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.