Home / 441,409.20-662,113.80-283,815.60

Finding the Fourth Proportional to 441,409.20, 662,113.80 and 283,815.60

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Solution

The fourth proportional to 441,409.20, 662,113.80 and 283,815.60 is: 425,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,409.20 : 662,113.80 = 283,815.60 : x
  2. Step 2: Convert to fraction form
    441,409.20/662,113.80 = 283,815.60/x
  3. Step 3: Cross multiply
    441,409.20x = 662,113.80 × 283,815.60
  4. Step 4: Simplify right side
    441,409.20x = 187,918,225,415.28
  5. Step 5: Solve for x
    x = 187,918,225,415.28/441,409.20
  6. Step 6: Final answer
    x = 425,723.40

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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.