Home / 765,879.11-1,148,861.87-233,417.51

Finding the Fourth Proportional to 765,879.11, 1,148,861.87 and 233,417.51

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Solution

The fourth proportional to 765,879.11, 1,148,861.87 and 233,417.51 is: 350,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,879.11 : 1,148,861.87 = 233,417.51 : x
  2. Step 2: Convert to fraction form
    765,879.11/1,148,861.87 = 233,417.51/x
  3. Step 3: Cross multiply
    765,879.11x = 1,148,861.87 × 233,417.51
  4. Step 4: Simplify right side
    765,879.11x = 268,164,480,485.04
  5. Step 5: Solve for x
    x = 268,164,480,485.04/765,879.11
  6. Step 6: Final answer
    x = 350,139.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.