Home / 964,816.22-1,331,231.79-556,831.58

Finding the Fourth Proportional to 964,816.22, 1,331,231.79 and 556,831.58

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Solution

The fourth proportional to 964,816.22, 1,331,231.79 and 556,831.58 is: 768,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,816.22 : 1,331,231.79 = 556,831.58 : x
  2. Step 2: Convert to fraction form
    964,816.22/1,331,231.79 = 556,831.58/x
  3. Step 3: Cross multiply
    964,816.22x = 1,331,231.79 × 556,831.58
  4. Step 4: Simplify right side
    964,816.22x = 741,271,900,971.93
  5. Step 5: Solve for x
    x = 741,271,900,971.93/964,816.22
  6. Step 6: Final answer
    x = 768,303.73

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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.