Home / 1,366,010.10-2,049,015.15-419,257.80

Finding the Fourth Proportional to 1,366,010.10, 2,049,015.15 and 419,257.80

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Solution

The fourth proportional to 1,366,010.10, 2,049,015.15 and 419,257.80 is: 628,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,010.10 : 2,049,015.15 = 419,257.80 : x
  2. Step 2: Convert to fraction form
    1,366,010.10/2,049,015.15 = 419,257.80/x
  3. Step 3: Cross multiply
    1,366,010.10x = 2,049,015.15 × 419,257.80
  4. Step 4: Simplify right side
    1,366,010.10x = 859,065,583,955.67
  5. Step 5: Solve for x
    x = 859,065,583,955.67/1,366,010.10
  6. Step 6: Final answer
    x = 628,886.70

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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.