Home / 445,923.86-615,199.76-254,834.74

Finding the Fourth Proportional to 445,923.86, 615,199.76 and 254,834.74

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Solution

The fourth proportional to 445,923.86, 615,199.76 and 254,834.74 is: 351,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,923.86 : 615,199.76 = 254,834.74 : x
  2. Step 2: Convert to fraction form
    445,923.86/615,199.76 = 254,834.74/x
  3. Step 3: Cross multiply
    445,923.86x = 615,199.76 × 254,834.74
  4. Step 4: Simplify right side
    445,923.86x = 156,774,270,887.66
  5. Step 5: Solve for x
    x = 156,774,270,887.66/445,923.86
  6. Step 6: Final answer
    x = 351,571.84

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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.