Home / 786,074.34-1,084,647.42-441,862.56

Finding the Fourth Proportional to 786,074.34, 1,084,647.42 and 441,862.56

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Solution

The fourth proportional to 786,074.34, 1,084,647.42 and 441,862.56 is: 609,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,074.34 : 1,084,647.42 = 441,862.56 : x
  2. Step 2: Convert to fraction form
    786,074.34/1,084,647.42 = 441,862.56/x
  3. Step 3: Cross multiply
    786,074.34x = 1,084,647.42 × 441,862.56
  4. Step 4: Simplify right side
    786,074.34x = 479,265,085,698.60
  5. Step 5: Solve for x
    x = 479,265,085,698.60/786,074.34
  6. Step 6: Final answer
    x = 609,694.35

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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.