Home / 1,285,038.78-1,927,562.77-325,493.94

Finding the Fourth Proportional to 1,285,038.78, 1,927,562.77 and 325,493.94

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Solution

The fourth proportional to 1,285,038.78, 1,927,562.77 and 325,493.94 is: 488,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,038.78 : 1,927,562.77 = 325,493.94 : x
  2. Step 2: Convert to fraction form
    1,285,038.78/1,927,562.77 = 325,493.94/x
  3. Step 3: Cross multiply
    1,285,038.78x = 1,927,562.77 × 325,493.94
  4. Step 4: Simplify right side
    1,285,038.78x = 627,410,008,239.84
  5. Step 5: Solve for x
    x = 627,410,008,239.84/1,285,038.78
  6. Step 6: Final answer
    x = 488,242.08

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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.