Home / 856,323.90-1,286,454.96-604,185.48

Finding the Fourth Proportional to 856,323.90, 1,286,454.96 and 604,185.48

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Solution

The fourth proportional to 856,323.90, 1,286,454.96 and 604,185.48 is: 907,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,323.90 : 1,286,454.96 = 604,185.48 : x
  2. Step 2: Convert to fraction form
    856,323.90/1,286,454.96 = 604,185.48/x
  3. Step 3: Cross multiply
    856,323.90x = 1,286,454.96 × 604,185.48
  4. Step 4: Simplify right side
    856,323.90x = 777,257,407,505.98
  5. Step 5: Solve for x
    x = 777,257,407,505.98/856,323.90
  6. Step 6: Final answer
    x = 907,667.54

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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.