Home / 1,075,078.53-1,612,581.90-316,932.50

Finding the Fourth Proportional to 1,075,078.53, 1,612,581.90 and 316,932.50

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Solution

The fourth proportional to 1,075,078.53, 1,612,581.90 and 316,932.50 is: 475,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,078.53 : 1,612,581.90 = 316,932.50 : x
  2. Step 2: Convert to fraction form
    1,075,078.53/1,612,581.90 = 316,932.50/x
  3. Step 3: Cross multiply
    1,075,078.53x = 1,612,581.90 × 316,932.50
  4. Step 4: Simplify right side
    1,075,078.53x = 511,079,604,958.84
  5. Step 5: Solve for x
    x = 511,079,604,958.84/1,075,078.53
  6. Step 6: Final answer
    x = 475,388.16

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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.