Home / 700,893.20-1,050,130.20-326,147.60

Finding the Fourth Proportional to 700,893.20, 1,050,130.20 and 326,147.60

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Solution

The fourth proportional to 700,893.20, 1,050,130.20 and 326,147.60 is: 488,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,893.20 : 1,050,130.20 = 326,147.60 : x
  2. Step 2: Convert to fraction form
    700,893.20/1,050,130.20 = 326,147.60/x
  3. Step 3: Cross multiply
    700,893.20x = 1,050,130.20 × 326,147.60
  4. Step 4: Simplify right side
    700,893.20x = 342,497,444,417.52
  5. Step 5: Solve for x
    x = 342,497,444,417.52/700,893.20
  6. Step 6: Final answer
    x = 488,658.54

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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.