Home / 1,416,780.32-1,955,144.39-772,200.54

Finding the Fourth Proportional to 1,416,780.32, 1,955,144.39 and 772,200.54

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Solution

The fourth proportional to 1,416,780.32, 1,955,144.39 and 772,200.54 is: 1,065,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,780.32 : 1,955,144.39 = 772,200.54 : x
  2. Step 2: Convert to fraction form
    1,416,780.32/1,955,144.39 = 772,200.54/x
  3. Step 3: Cross multiply
    1,416,780.32x = 1,955,144.39 × 772,200.54
  4. Step 4: Simplify right side
    1,416,780.32x = 1,509,763,549,874.97
  5. Step 5: Solve for x
    x = 1,509,763,549,874.97/1,416,780.32
  6. Step 6: Final answer
    x = 1,065,629.96

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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.