Home / 810,277.42-1,118,191.43-447,692.26

Finding the Fourth Proportional to 810,277.42, 1,118,191.43 and 447,692.26

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Solution

The fourth proportional to 810,277.42, 1,118,191.43 and 447,692.26 is: 617,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,277.42 : 1,118,191.43 = 447,692.26 : x
  2. Step 2: Convert to fraction form
    810,277.42/1,118,191.43 = 447,692.26/x
  3. Step 3: Cross multiply
    810,277.42x = 1,118,191.43 × 447,692.26
  4. Step 4: Simplify right side
    810,277.42x = 500,605,648,409.33
  5. Step 5: Solve for x
    x = 500,605,648,409.33/810,277.42
  6. Step 6: Final answer
    x = 617,820.07

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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.