Home / 1,188,853.44-1,783,098.72-390,215.04

Finding the Fourth Proportional to 1,188,853.44, 1,783,098.72 and 390,215.04

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Solution

The fourth proportional to 1,188,853.44, 1,783,098.72 and 390,215.04 is: 585,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,853.44 : 1,783,098.72 = 390,215.04 : x
  2. Step 2: Convert to fraction form
    1,188,853.44/1,783,098.72 = 390,215.04/x
  3. Step 3: Cross multiply
    1,188,853.44x = 1,783,098.72 × 390,215.04
  4. Step 4: Simplify right side
    1,188,853.44x = 695,791,938,348.75
  5. Step 5: Solve for x
    x = 695,791,938,348.75/1,188,853.44
  6. Step 6: Final answer
    x = 585,263.01

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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.