Home / 1,075,235.07-1,612,850.66-317,608.59

Finding the Fourth Proportional to 1,075,235.07, 1,612,850.66 and 317,608.59

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Solution

The fourth proportional to 1,075,235.07, 1,612,850.66 and 317,608.59 is: 476,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,235.07 : 1,612,850.66 = 317,608.59 : x
  2. Step 2: Convert to fraction form
    1,075,235.07/1,612,850.66 = 317,608.59/x
  3. Step 3: Cross multiply
    1,075,235.07x = 1,612,850.66 × 317,608.59
  4. Step 4: Simplify right side
    1,075,235.07x = 512,255,222,415.13
  5. Step 5: Solve for x
    x = 512,255,222,415.13/1,075,235.07
  6. Step 6: Final answer
    x = 476,412.31

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Double scale
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Similar ratio
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1.5x scale

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.