Home / 1,075,765.37-1,613,271.53-317,405.57

Finding the Fourth Proportional to 1,075,765.37, 1,613,271.53 and 317,405.57

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Solution

The fourth proportional to 1,075,765.37, 1,613,271.53 and 317,405.57 is: 475,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,765.37 : 1,613,271.53 = 317,405.57 : x
  2. Step 2: Convert to fraction form
    1,075,765.37/1,613,271.53 = 317,405.57/x
  3. Step 3: Cross multiply
    1,075,765.37x = 1,613,271.53 × 317,405.57
  4. Step 4: Simplify right side
    1,075,765.37x = 512,061,359,891.04
  5. Step 5: Solve for x
    x = 512,061,359,891.04/1,075,765.37
  6. Step 6: Final answer
    x = 475,997.25

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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.