Home / 566,831.32-782,262.60-312,182.44

Finding the Fourth Proportional to 566,831.32, 782,262.60 and 312,182.44

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Solution

The fourth proportional to 566,831.32, 782,262.60 and 312,182.44 is: 430,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,831.32 : 782,262.60 = 312,182.44 : x
  2. Step 2: Convert to fraction form
    566,831.32/782,262.60 = 312,182.44/x
  3. Step 3: Cross multiply
    566,831.32x = 782,262.60 × 312,182.44
  4. Step 4: Simplify right side
    566,831.32x = 244,208,647,188.74
  5. Step 5: Solve for x
    x = 244,208,647,188.74/566,831.32
  6. Step 6: Final answer
    x = 430,831.25

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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.