Home / 1,116,539.20-1,674,808.80-1,065,217.60

Finding the Fourth Proportional to 1,116,539.20, 1,674,808.80 and 1,065,217.60

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Solution

The fourth proportional to 1,116,539.20, 1,674,808.80 and 1,065,217.60 is: 1,597,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,539.20 : 1,674,808.80 = 1,065,217.60 : x
  2. Step 2: Convert to fraction form
    1,116,539.20/1,674,808.80 = 1,065,217.60/x
  3. Step 3: Cross multiply
    1,116,539.20x = 1,674,808.80 × 1,065,217.60
  4. Step 4: Simplify right side
    1,116,539.20x = 1,784,035,810,394.88
  5. Step 5: Solve for x
    x = 1,784,035,810,394.88/1,116,539.20
  6. Step 6: Final answer
    x = 1,597,826.40

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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.