Home / 1,111,219.65-1,665,517.28-471,522.15

Finding the Fourth Proportional to 1,111,219.65, 1,665,517.28 and 471,522.15

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Solution

The fourth proportional to 1,111,219.65, 1,665,517.28 and 471,522.15 is: 706,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,219.65 : 1,665,517.28 = 471,522.15 : x
  2. Step 2: Convert to fraction form
    1,111,219.65/1,665,517.28 = 471,522.15/x
  3. Step 3: Cross multiply
    1,111,219.65x = 1,665,517.28 × 471,522.15
  4. Step 4: Simplify right side
    1,111,219.65x = 785,328,286,370.14
  5. Step 5: Solve for x
    x = 785,328,286,370.14/1,111,219.65
  6. Step 6: Final answer
    x = 706,726.42

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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.