Home / 1,081,562.66-1,622,341.95-407,795.11

Finding the Fourth Proportional to 1,081,562.66, 1,622,341.95 and 407,795.11

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Solution

The fourth proportional to 1,081,562.66, 1,622,341.95 and 407,795.11 is: 611,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,562.66 : 1,622,341.95 = 407,795.11 : x
  2. Step 2: Convert to fraction form
    1,081,562.66/1,622,341.95 = 407,795.11/x
  3. Step 3: Cross multiply
    1,081,562.66x = 1,622,341.95 × 407,795.11
  4. Step 4: Simplify right side
    1,081,562.66x = 661,583,108,372.78
  5. Step 5: Solve for x
    x = 661,583,108,372.78/1,081,562.66
  6. Step 6: Final answer
    x = 611,691.89

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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.