Home / 855,620.44-1,180,756.56-468,460.96

Finding the Fourth Proportional to 855,620.44, 1,180,756.56 and 468,460.96

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Solution

The fourth proportional to 855,620.44, 1,180,756.56 and 468,460.96 is: 646,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,620.44 : 1,180,756.56 = 468,460.96 : x
  2. Step 2: Convert to fraction form
    855,620.44/1,180,756.56 = 468,460.96/x
  3. Step 3: Cross multiply
    855,620.44x = 1,180,756.56 × 468,460.96
  4. Step 4: Simplify right side
    855,620.44x = 553,138,351,623.90
  5. Step 5: Solve for x
    x = 553,138,351,623.90/855,620.44
  6. Step 6: Final answer
    x = 646,476.32

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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.