Home / 1,256,984.73-1,886,233.64-458,334.45

Finding the Fourth Proportional to 1,256,984.73, 1,886,233.64 and 458,334.45

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Solution

The fourth proportional to 1,256,984.73, 1,886,233.64 and 458,334.45 is: 687,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,984.73 : 1,886,233.64 = 458,334.45 : x
  2. Step 2: Convert to fraction form
    1,256,984.73/1,886,233.64 = 458,334.45/x
  3. Step 3: Cross multiply
    1,256,984.73x = 1,886,233.64 × 458,334.45
  4. Step 4: Simplify right side
    1,256,984.73x = 864,525,855,669.23
  5. Step 5: Solve for x
    x = 864,525,855,669.23/1,256,984.73
  6. Step 6: Final answer
    x = 687,777.53

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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.