Home / 1,226,401.68-1,692,317-904,285.68

Finding the Fourth Proportional to 1,226,401.68, 1,692,317 and 904,285.68

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Solution

The fourth proportional to 1,226,401.68, 1,692,317 and 904,285.68 is: 1,247,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,401.68 : 1,692,317 = 904,285.68 : x
  2. Step 2: Convert to fraction form
    1,226,401.68/1,692,317 = 904,285.68/x
  3. Step 3: Cross multiply
    1,226,401.68x = 1,692,317 × 904,285.68
  4. Step 4: Simplify right side
    1,226,401.68x = 1,530,338,029,120.56
  5. Step 5: Solve for x
    x = 1,530,338,029,120.56/1,226,401.68
  6. Step 6: Final answer
    x = 1,247,827.73

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Double scale
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1.5x scale

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.