Home / 768,923.41-1,153,416.54-263,831.71

Finding the Fourth Proportional to 768,923.41, 1,153,416.54 and 263,831.71

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Solution

The fourth proportional to 768,923.41, 1,153,416.54 and 263,831.71 is: 395,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,923.41 : 1,153,416.54 = 263,831.71 : x
  2. Step 2: Convert to fraction form
    768,923.41/1,153,416.54 = 263,831.71/x
  3. Step 3: Cross multiply
    768,923.41x = 1,153,416.54 × 263,831.71
  4. Step 4: Simplify right side
    768,923.41x = 304,307,858,090.48
  5. Step 5: Solve for x
    x = 304,307,858,090.48/768,923.41
  6. Step 6: Final answer
    x = 395,758.35

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1.5x scale

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.