Home / 566,922.40-849,217.20-389,629.60

Finding the Fourth Proportional to 566,922.40, 849,217.20 and 389,629.60

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Solution

The fourth proportional to 566,922.40, 849,217.20 and 389,629.60 is: 583,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,922.40 : 849,217.20 = 389,629.60 : x
  2. Step 2: Convert to fraction form
    566,922.40/849,217.20 = 389,629.60/x
  3. Step 3: Cross multiply
    566,922.40x = 849,217.20 × 389,629.60
  4. Step 4: Simplify right side
    566,922.40x = 330,880,157,949.12
  5. Step 5: Solve for x
    x = 330,880,157,949.12/566,922.40
  6. Step 6: Final answer
    x = 583,642.77

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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.