Home / 1,129,166.33-1,693,189.07-409,479.30

Finding the Fourth Proportional to 1,129,166.33, 1,693,189.07 and 409,479.30

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Solution

The fourth proportional to 1,129,166.33, 1,693,189.07 and 409,479.30 is: 614,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,166.33 : 1,693,189.07 = 409,479.30 : x
  2. Step 2: Convert to fraction form
    1,129,166.33/1,693,189.07 = 409,479.30/x
  3. Step 3: Cross multiply
    1,129,166.33x = 1,693,189.07 × 409,479.30
  4. Step 4: Simplify right side
    1,129,166.33x = 693,325,874,639.40
  5. Step 5: Solve for x
    x = 693,325,874,639.40/1,129,166.33
  6. Step 6: Final answer
    x = 614,015.72

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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.