Home / 716,934.80-1,075,402.20-681,942.80

Finding the Fourth Proportional to 716,934.80, 1,075,402.20 and 681,942.80

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Solution

The fourth proportional to 716,934.80, 1,075,402.20 and 681,942.80 is: 1,022,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,934.80 : 1,075,402.20 = 681,942.80 : x
  2. Step 2: Convert to fraction form
    716,934.80/1,075,402.20 = 681,942.80/x
  3. Step 3: Cross multiply
    716,934.80x = 1,075,402.20 × 681,942.80
  4. Step 4: Simplify right side
    716,934.80x = 733,362,787,394.16
  5. Step 5: Solve for x
    x = 733,362,787,394.16/716,934.80
  6. Step 6: Final answer
    x = 1,022,914.20

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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.