Home / 1,234,936.80-1,852,405.20-486,885.60

Finding the Fourth Proportional to 1,234,936.80, 1,852,405.20 and 486,885.60

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Solution

The fourth proportional to 1,234,936.80, 1,852,405.20 and 486,885.60 is: 730,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,936.80 : 1,852,405.20 = 486,885.60 : x
  2. Step 2: Convert to fraction form
    1,234,936.80/1,852,405.20 = 486,885.60/x
  3. Step 3: Cross multiply
    1,234,936.80x = 1,852,405.20 × 486,885.60
  4. Step 4: Simplify right side
    1,234,936.80x = 901,909,417,245.12
  5. Step 5: Solve for x
    x = 901,909,417,245.12/1,234,936.80
  6. Step 6: Final answer
    x = 730,328.40

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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.