Home / 490,602.77-677,087.91-272,833.14

Finding the Fourth Proportional to 490,602.77, 677,087.91 and 272,833.14

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Solution

The fourth proportional to 490,602.77, 677,087.91 and 272,833.14 is: 376,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,602.77 : 677,087.91 = 272,833.14 : x
  2. Step 2: Convert to fraction form
    490,602.77/677,087.91 = 272,833.14/x
  3. Step 3: Cross multiply
    490,602.77x = 677,087.91 × 272,833.14
  4. Step 4: Simplify right side
    490,602.77x = 184,732,020,541.34
  5. Step 5: Solve for x
    x = 184,732,020,541.34/490,602.77
  6. Step 6: Final answer
    x = 376,540.93

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1.5x scale

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.