Home / 831,565.80-1,147,563.60-449,595.33

Finding the Fourth Proportional to 831,565.80, 1,147,563.60 and 449,595.33

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Solution

The fourth proportional to 831,565.80, 1,147,563.60 and 449,595.33 is: 620,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,565.80 : 1,147,563.60 = 449,595.33 : x
  2. Step 2: Convert to fraction form
    831,565.80/1,147,563.60 = 449,595.33/x
  3. Step 3: Cross multiply
    831,565.80x = 1,147,563.60 × 449,595.33
  4. Step 4: Simplify right side
    831,565.80x = 515,939,235,437.99
  5. Step 5: Solve for x
    x = 515,939,235,437.99/831,565.80
  6. Step 6: Final answer
    x = 620,443.07

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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.