Home / 1,353,777.20-2,030,665.80-1,088,056.70

Finding the Fourth Proportional to 1,353,777.20, 2,030,665.80 and 1,088,056.70

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Solution

The fourth proportional to 1,353,777.20, 2,030,665.80 and 1,088,056.70 is: 1,632,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,777.20 : 2,030,665.80 = 1,088,056.70 : x
  2. Step 2: Convert to fraction form
    1,353,777.20/2,030,665.80 = 1,088,056.70/x
  3. Step 3: Cross multiply
    1,353,777.20x = 2,030,665.80 × 1,088,056.70
  4. Step 4: Simplify right side
    1,353,777.20x = 2,209,479,529,150.86
  5. Step 5: Solve for x
    x = 2,209,479,529,150.86/1,353,777.20
  6. Step 6: Final answer
    x = 1,632,085.05

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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.