Home / 4,080,779.10-6,120,909.45-1,385,099.10

Finding the Fourth Proportional to 4,080,779.10, 6,120,909.45 and 1,385,099.10

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Solution

The fourth proportional to 4,080,779.10, 6,120,909.45 and 1,385,099.10 is: 2,077,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,779.10 : 6,120,909.45 = 1,385,099.10 : x
  2. Step 2: Convert to fraction form
    4,080,779.10/6,120,909.45 = 1,385,099.10/x
  3. Step 3: Cross multiply
    4,080,779.10x = 6,120,909.45 × 1,385,099.10
  4. Step 4: Simplify right side
    4,080,779.10x = 8,478,066,170,376.50
  5. Step 5: Solve for x
    x = 8,478,066,170,376.50/4,080,779.10
  6. Step 6: Final answer
    x = 2,077,560.67

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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.