Home / 882,707.90-1,323,025.05-408,391.34

Finding the Fourth Proportional to 882,707.90, 1,323,025.05 and 408,391.34

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Solution

The fourth proportional to 882,707.90, 1,323,025.05 and 408,391.34 is: 612,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,707.90 : 1,323,025.05 = 408,391.34 : x
  2. Step 2: Convert to fraction form
    882,707.90/1,323,025.05 = 408,391.34/x
  3. Step 3: Cross multiply
    882,707.90x = 1,323,025.05 × 408,391.34
  4. Step 4: Simplify right side
    882,707.90x = 540,311,973,023.07
  5. Step 5: Solve for x
    x = 540,311,973,023.07/882,707.90
  6. Step 6: Final answer
    x = 612,107.33

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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.