Home / 1,267,145.96-1,900,560.36-414,146.30

Finding the Fourth Proportional to 1,267,145.96, 1,900,560.36 and 414,146.30

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Solution

The fourth proportional to 1,267,145.96, 1,900,560.36 and 414,146.30 is: 621,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,145.96 : 1,900,560.36 = 414,146.30 : x
  2. Step 2: Convert to fraction form
    1,267,145.96/1,900,560.36 = 414,146.30/x
  3. Step 3: Cross multiply
    1,267,145.96x = 1,900,560.36 × 414,146.30
  4. Step 4: Simplify right side
    1,267,145.96x = 787,110,041,020.67
  5. Step 5: Solve for x
    x = 787,110,041,020.67/1,267,145.96
  6. Step 6: Final answer
    x = 621,167.62

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Double scale
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1.5x scale

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.