Home / 1,075,012.32-1,612,460.16-327,000

Finding the Fourth Proportional to 1,075,012.32, 1,612,460.16 and 327,000

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Solution

The fourth proportional to 1,075,012.32, 1,612,460.16 and 327,000 is: 490,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,012.32 : 1,612,460.16 = 327,000 : x
  2. Step 2: Convert to fraction form
    1,075,012.32/1,612,460.16 = 327,000/x
  3. Step 3: Cross multiply
    1,075,012.32x = 1,612,460.16 × 327,000
  4. Step 4: Simplify right side
    1,075,012.32x = 527,274,472,320
  5. Step 5: Solve for x
    x = 527,274,472,320/1,075,012.32
  6. Step 6: Final answer
    x = 490,482.26

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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.