Home / 1,637,070.77-2,455,584.28-422,651.54

Finding the Fourth Proportional to 1,637,070.77, 2,455,584.28 and 422,651.54

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Solution

The fourth proportional to 1,637,070.77, 2,455,584.28 and 422,651.54 is: 633,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,070.77 : 2,455,584.28 = 422,651.54 : x
  2. Step 2: Convert to fraction form
    1,637,070.77/2,455,584.28 = 422,651.54/x
  3. Step 3: Cross multiply
    1,637,070.77x = 2,455,584.28 × 422,651.54
  4. Step 4: Simplify right side
    1,637,070.77x = 1,037,856,477,541.79
  5. Step 5: Solve for x
    x = 1,037,856,477,541.79/1,637,070.77
  6. Step 6: Final answer
    x = 633,971.66

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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.