Home / 1,075,356-1,613,134.44-317,198.16

Finding the Fourth Proportional to 1,075,356, 1,613,134.44 and 317,198.16

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Solution

The fourth proportional to 1,075,356, 1,613,134.44 and 317,198.16 is: 475,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,356 : 1,613,134.44 = 317,198.16 : x
  2. Step 2: Convert to fraction form
    1,075,356/1,613,134.44 = 317,198.16/x
  3. Step 3: Cross multiply
    1,075,356x = 1,613,134.44 × 317,198.16
  4. Step 4: Simplify right side
    1,075,356x = 511,683,276,200.63
  5. Step 5: Solve for x
    x = 511,683,276,200.63/1,075,356
  6. Step 6: Final answer
    x = 475,826.87

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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.