Home / 1,213,000.40-1,819,500.60-1,076,531.60

Finding the Fourth Proportional to 1,213,000.40, 1,819,500.60 and 1,076,531.60

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Solution

The fourth proportional to 1,213,000.40, 1,819,500.60 and 1,076,531.60 is: 1,614,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,000.40 : 1,819,500.60 = 1,076,531.60 : x
  2. Step 2: Convert to fraction form
    1,213,000.40/1,819,500.60 = 1,076,531.60/x
  3. Step 3: Cross multiply
    1,213,000.40x = 1,819,500.60 × 1,076,531.60
  4. Step 4: Simplify right side
    1,213,000.40x = 1,958,749,892,118.96
  5. Step 5: Solve for x
    x = 1,958,749,892,118.96/1,213,000.40
  6. Step 6: Final answer
    x = 1,614,797.40

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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.