Home / 461,111.36-636,332.46-257,162.54

Finding the Fourth Proportional to 461,111.36, 636,332.46 and 257,162.54

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Solution

The fourth proportional to 461,111.36, 636,332.46 and 257,162.54 is: 354,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,111.36 : 636,332.46 = 257,162.54 : x
  2. Step 2: Convert to fraction form
    461,111.36/636,332.46 = 257,162.54/x
  3. Step 3: Cross multiply
    461,111.36x = 636,332.46 × 257,162.54
  4. Step 4: Simplify right side
    461,111.36x = 163,640,871,698.05
  5. Step 5: Solve for x
    x = 163,640,871,698.05/461,111.36
  6. Step 6: Final answer
    x = 354,883.63

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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.