Home / 1,658,588.83-2,289,558.81-1,115,039.89

Finding the Fourth Proportional to 1,658,588.83, 2,289,558.81 and 1,115,039.89

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Solution

The fourth proportional to 1,658,588.83, 2,289,558.81 and 1,115,039.89 is: 1,539,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,588.83 : 2,289,558.81 = 1,115,039.89 : x
  2. Step 2: Convert to fraction form
    1,658,588.83/2,289,558.81 = 1,115,039.89/x
  3. Step 3: Cross multiply
    1,658,588.83x = 2,289,558.81 × 1,115,039.89
  4. Step 4: Simplify right side
    1,658,588.83x = 2,552,949,403,650.93
  5. Step 5: Solve for x
    x = 2,552,949,403,650.93/1,658,588.83
  6. Step 6: Final answer
    x = 1,539,229.83

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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.