Home / 1,416,571.46-1,954,811.62-771,977.90

Finding the Fourth Proportional to 1,416,571.46, 1,954,811.62 and 771,977.90

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Solution

The fourth proportional to 1,416,571.46, 1,954,811.62 and 771,977.90 is: 1,065,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,571.46 : 1,954,811.62 = 771,977.90 : x
  2. Step 2: Convert to fraction form
    1,416,571.46/1,954,811.62 = 771,977.90/x
  3. Step 3: Cross multiply
    1,416,571.46x = 1,954,811.62 × 771,977.90
  4. Step 4: Simplify right side
    1,416,571.46x = 1,509,071,369,303.20
  5. Step 5: Solve for x
    x = 1,509,071,369,303.20/1,416,571.46
  6. Step 6: Final answer
    x = 1,065,298.44

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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.