Home / 1,416,790.86-1,955,172.87-772,211.58

Finding the Fourth Proportional to 1,416,790.86, 1,955,172.87 and 772,211.58

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Solution

The fourth proportional to 1,416,790.86, 1,955,172.87 and 772,211.58 is: 1,065,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,790.86 : 1,955,172.87 = 772,211.58 : x
  2. Step 2: Convert to fraction form
    1,416,790.86/1,955,172.87 = 772,211.58/x
  3. Step 3: Cross multiply
    1,416,790.86x = 1,955,172.87 × 772,211.58
  4. Step 4: Simplify right side
    1,416,790.86x = 1,509,807,131,115.83
  5. Step 5: Solve for x
    x = 1,509,807,131,115.83/1,416,790.86
  6. Step 6: Final answer
    x = 1,065,652.79

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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.