Home / 589,719.20-883,671.60-439,253.60

Finding the Fourth Proportional to 589,719.20, 883,671.60 and 439,253.60

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Solution

The fourth proportional to 589,719.20, 883,671.60 and 439,253.60 is: 658,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,719.20 : 883,671.60 = 439,253.60 : x
  2. Step 2: Convert to fraction form
    589,719.20/883,671.60 = 439,253.60/x
  3. Step 3: Cross multiply
    589,719.20x = 883,671.60 × 439,253.60
  4. Step 4: Simplify right side
    589,719.20x = 388,155,931,517.76
  5. Step 5: Solve for x
    x = 388,155,931,517.76/589,719.20
  6. Step 6: Final answer
    x = 658,204.67

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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.