Home / 959,771.72-1,440,543.18-486,789.24

Finding the Fourth Proportional to 959,771.72, 1,440,543.18 and 486,789.24

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Solution

The fourth proportional to 959,771.72, 1,440,543.18 and 486,789.24 is: 730,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,771.72 : 1,440,543.18 = 486,789.24 : x
  2. Step 2: Convert to fraction form
    959,771.72/1,440,543.18 = 486,789.24/x
  3. Step 3: Cross multiply
    959,771.72x = 1,440,543.18 × 486,789.24
  4. Step 4: Simplify right side
    959,771.72x = 701,240,919,779.38
  5. Step 5: Solve for x
    x = 701,240,919,779.38/959,771.72
  6. Step 6: Final answer
    x = 730,633.03

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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.