Home / 745,893.60-1,118,350.22-361,540.73

Finding the Fourth Proportional to 745,893.60, 1,118,350.22 and 361,540.73

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Solution

The fourth proportional to 745,893.60, 1,118,350.22 and 361,540.73 is: 542,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,893.60 : 1,118,350.22 = 361,540.73 : x
  2. Step 2: Convert to fraction form
    745,893.60/1,118,350.22 = 361,540.73/x
  3. Step 3: Cross multiply
    745,893.60x = 1,118,350.22 × 361,540.73
  4. Step 4: Simplify right side
    745,893.60x = 404,329,154,934.46
  5. Step 5: Solve for x
    x = 404,329,154,934.46/745,893.60
  6. Step 6: Final answer
    x = 542,073.50

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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.