Home / 1,214,295.40-1,819,887.90-932,415.40

Finding the Fourth Proportional to 1,214,295.40, 1,819,887.90 and 932,415.40

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Solution

The fourth proportional to 1,214,295.40, 1,819,887.90 and 932,415.40 is: 1,397,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,295.40 : 1,819,887.90 = 932,415.40 : x
  2. Step 2: Convert to fraction form
    1,214,295.40/1,819,887.90 = 932,415.40/x
  3. Step 3: Cross multiply
    1,214,295.40x = 1,819,887.90 × 932,415.40
  4. Step 4: Simplify right side
    1,214,295.40x = 1,696,891,504,233.66
  5. Step 5: Solve for x
    x = 1,696,891,504,233.66/1,214,295.40
  6. Step 6: Final answer
    x = 1,397,428.92

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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.