Home / 1,115,513.80-1,676,769.90-1,094,518.60

Finding the Fourth Proportional to 1,115,513.80, 1,676,769.90 and 1,094,518.60

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Solution

The fourth proportional to 1,115,513.80, 1,676,769.90 and 1,094,518.60 is: 1,645,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,513.80 : 1,676,769.90 = 1,094,518.60 : x
  2. Step 2: Convert to fraction form
    1,115,513.80/1,676,769.90 = 1,094,518.60/x
  3. Step 3: Cross multiply
    1,115,513.80x = 1,676,769.90 × 1,094,518.60
  4. Step 4: Simplify right side
    1,115,513.80x = 1,835,255,843,470.14
  5. Step 5: Solve for x
    x = 1,835,255,843,470.14/1,115,513.80
  6. Step 6: Final answer
    x = 1,645,211.24

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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.