Home / 1,353,140.48-1,867,333.71-809,276.19

Finding the Fourth Proportional to 1,353,140.48, 1,867,333.71 and 809,276.19

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Solution

The fourth proportional to 1,353,140.48, 1,867,333.71 and 809,276.19 is: 1,116,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,140.48 : 1,867,333.71 = 809,276.19 : x
  2. Step 2: Convert to fraction form
    1,353,140.48/1,867,333.71 = 809,276.19/x
  3. Step 3: Cross multiply
    1,353,140.48x = 1,867,333.71 × 809,276.19
  4. Step 4: Simplify right side
    1,353,140.48x = 1,511,188,701,767.47
  5. Step 5: Solve for x
    x = 1,511,188,701,767.47/1,353,140.48
  6. Step 6: Final answer
    x = 1,116,801.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.