Home / 1,455,518.32-2,008,629.00-802,167.90

Finding the Fourth Proportional to 1,455,518.32, 2,008,629.00 and 802,167.90

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Solution

The fourth proportional to 1,455,518.32, 2,008,629.00 and 802,167.90 is: 1,106,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,518.32 : 2,008,629.00 = 802,167.90 : x
  2. Step 2: Convert to fraction form
    1,455,518.32/2,008,629.00 = 802,167.90/x
  3. Step 3: Cross multiply
    1,455,518.32x = 2,008,629.00 × 802,167.90
  4. Step 4: Simplify right side
    1,455,518.32x = 1,611,257,704,919.99
  5. Step 5: Solve for x
    x = 1,611,257,704,919.99/1,455,518.32
  6. Step 6: Final answer
    x = 1,106,999.26

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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.