Home / 777,811.20-1,166,716.80-525,868.80

Finding the Fourth Proportional to 777,811.20, 1,166,716.80 and 525,868.80

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Solution

The fourth proportional to 777,811.20, 1,166,716.80 and 525,868.80 is: 788,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,811.20 : 1,166,716.80 = 525,868.80 : x
  2. Step 2: Convert to fraction form
    777,811.20/1,166,716.80 = 525,868.80/x
  3. Step 3: Cross multiply
    777,811.20x = 1,166,716.80 × 525,868.80
  4. Step 4: Simplify right side
    777,811.20x = 613,539,963,555.84
  5. Step 5: Solve for x
    x = 613,539,963,555.84/777,811.20
  6. Step 6: Final answer
    x = 788,803.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.