Home / 469,831.08-648,367.32-254,971.18

Finding the Fourth Proportional to 469,831.08, 648,367.32 and 254,971.18

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Solution

The fourth proportional to 469,831.08, 648,367.32 and 254,971.18 is: 351,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,831.08 : 648,367.32 = 254,971.18 : x
  2. Step 2: Convert to fraction form
    469,831.08/648,367.32 = 254,971.18/x
  3. Step 3: Cross multiply
    469,831.08x = 648,367.32 × 254,971.18
  4. Step 4: Simplify right side
    469,831.08x = 165,314,980,653.84
  5. Step 5: Solve for x
    x = 165,314,980,653.84/469,831.08
  6. Step 6: Final answer
    x = 351,860.46

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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.