Home / 454,236.98-626,842-258,002.08

Finding the Fourth Proportional to 454,236.98, 626,842 and 258,002.08

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Solution

The fourth proportional to 454,236.98, 626,842 and 258,002.08 is: 356,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,236.98 : 626,842 = 258,002.08 : x
  2. Step 2: Convert to fraction form
    454,236.98/626,842 = 258,002.08/x
  3. Step 3: Cross multiply
    454,236.98x = 626,842 × 258,002.08
  4. Step 4: Simplify right side
    454,236.98x = 161,726,539,831.36
  5. Step 5: Solve for x
    x = 161,726,539,831.36/454,236.98
  6. Step 6: Final answer
    x = 356,040.01

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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.