Home / 589,544.20-883,409.10-439,078.60

Finding the Fourth Proportional to 589,544.20, 883,409.10 and 439,078.60

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Solution

The fourth proportional to 589,544.20, 883,409.10 and 439,078.60 is: 657,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,544.20 : 883,409.10 = 439,078.60 : x
  2. Step 2: Convert to fraction form
    589,544.20/883,409.10 = 439,078.60/x
  3. Step 3: Cross multiply
    589,544.20x = 883,409.10 × 439,078.60
  4. Step 4: Simplify right side
    589,544.20x = 387,886,030,855.26
  5. Step 5: Solve for x
    x = 387,886,030,855.26/589,544.20
  6. Step 6: Final answer
    x = 657,942.24

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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.