Home / 1,439,782.96-2,160,074.92-630,023.12

Finding the Fourth Proportional to 1,439,782.96, 2,160,074.92 and 630,023.12

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Solution

The fourth proportional to 1,439,782.96, 2,160,074.92 and 630,023.12 is: 945,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,782.96 : 2,160,074.92 = 630,023.12 : x
  2. Step 2: Convert to fraction form
    1,439,782.96/2,160,074.92 = 630,023.12/x
  3. Step 3: Cross multiply
    1,439,782.96x = 2,160,074.92 × 630,023.12
  4. Step 4: Simplify right side
    1,439,782.96x = 1,360,897,140,532.15
  5. Step 5: Solve for x
    x = 1,360,897,140,532.15/1,439,782.96
  6. Step 6: Final answer
    x = 945,209.92

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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.