Home / 716,564.75-1,075,033.04-211,143.60

Finding the Fourth Proportional to 716,564.75, 1,075,033.04 and 211,143.60

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Solution

The fourth proportional to 716,564.75, 1,075,033.04 and 211,143.60 is: 316,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,564.75 : 1,075,033.04 = 211,143.60 : x
  2. Step 2: Convert to fraction form
    716,564.75/1,075,033.04 = 211,143.60/x
  3. Step 3: Cross multiply
    716,564.75x = 1,075,033.04 × 211,143.60
  4. Step 4: Simplify right side
    716,564.75x = 226,986,345,128.83
  5. Step 5: Solve for x
    x = 226,986,345,128.83/716,564.75
  6. Step 6: Final answer
    x = 316,770.18

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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.