Home / 1,353,612.52-1,867,985.58-809,770.96

Finding the Fourth Proportional to 1,353,612.52, 1,867,985.58 and 809,770.96

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Solution

The fourth proportional to 1,353,612.52, 1,867,985.58 and 809,770.96 is: 1,117,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,612.52 : 1,867,985.58 = 809,770.96 : x
  2. Step 2: Convert to fraction form
    1,353,612.52/1,867,985.58 = 809,770.96/x
  3. Step 3: Cross multiply
    1,353,612.52x = 1,867,985.58 × 809,770.96
  4. Step 4: Simplify right side
    1,353,612.52x = 1,512,640,476,382.76
  5. Step 5: Solve for x
    x = 1,512,640,476,382.76/1,353,612.52
  6. Step 6: Final answer
    x = 1,117,484.11

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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.