Home / 682,222.80-1,024,176.60-429,502.80

Finding the Fourth Proportional to 682,222.80, 1,024,176.60 and 429,502.80

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Solution

The fourth proportional to 682,222.80, 1,024,176.60 and 429,502.80 is: 644,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,222.80 : 1,024,176.60 = 429,502.80 : x
  2. Step 2: Convert to fraction form
    682,222.80/1,024,176.60 = 429,502.80/x
  3. Step 3: Cross multiply
    682,222.80x = 1,024,176.60 × 429,502.80
  4. Step 4: Simplify right side
    682,222.80x = 439,886,717,394.48
  5. Step 5: Solve for x
    x = 439,886,717,394.48/682,222.80
  6. Step 6: Final answer
    x = 644,784.54

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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.