Home / 857,620.95-1,183,589.60-475,770.75

Finding the Fourth Proportional to 857,620.95, 1,183,589.60 and 475,770.75

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Solution

The fourth proportional to 857,620.95, 1,183,589.60 and 475,770.75 is: 656,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,620.95 : 1,183,589.60 = 475,770.75 : x
  2. Step 2: Convert to fraction form
    857,620.95/1,183,589.60 = 475,770.75/x
  3. Step 3: Cross multiply
    857,620.95x = 1,183,589.60 × 475,770.75
  4. Step 4: Simplify right side
    857,620.95x = 563,117,309,305.35
  5. Step 5: Solve for x
    x = 563,117,309,305.35/857,620.95
  6. Step 6: Final answer
    x = 656,603.96

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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.