Home / 858,518.33-1,184,759.87-536,415.21

Finding the Fourth Proportional to 858,518.33, 1,184,759.87 and 536,415.21

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Solution

The fourth proportional to 858,518.33, 1,184,759.87 and 536,415.21 is: 740,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,518.33 : 1,184,759.87 = 536,415.21 : x
  2. Step 2: Convert to fraction form
    858,518.33/1,184,759.87 = 536,415.21/x
  3. Step 3: Cross multiply
    858,518.33x = 1,184,759.87 × 536,415.21
  4. Step 4: Simplify right side
    858,518.33x = 635,523,211,783.55
  5. Step 5: Solve for x
    x = 635,523,211,783.55/858,518.33
  6. Step 6: Final answer
    x = 740,255.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.