Home / 1,356,450.30-2,034,999.45-409,830.30

Finding the Fourth Proportional to 1,356,450.30, 2,034,999.45 and 409,830.30

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Solution

The fourth proportional to 1,356,450.30, 2,034,999.45 and 409,830.30 is: 614,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,450.30 : 2,034,999.45 = 409,830.30 : x
  2. Step 2: Convert to fraction form
    1,356,450.30/2,034,999.45 = 409,830.30/x
  3. Step 3: Cross multiply
    1,356,450.30x = 2,034,999.45 × 409,830.30
  4. Step 4: Simplify right side
    1,356,450.30x = 834,004,435,093.34
  5. Step 5: Solve for x
    x = 834,004,435,093.34/1,356,450.30
  6. Step 6: Final answer
    x = 614,843.34

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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.