Home / 1,081,594.34-1,621,247.43-407,383.93

Finding the Fourth Proportional to 1,081,594.34, 1,621,247.43 and 407,383.93

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Solution

The fourth proportional to 1,081,594.34, 1,621,247.43 and 407,383.93 is: 610,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,594.34 : 1,621,247.43 = 407,383.93 : x
  2. Step 2: Convert to fraction form
    1,081,594.34/1,621,247.43 = 407,383.93/x
  3. Step 3: Cross multiply
    1,081,594.34x = 1,621,247.43 × 407,383.93
  4. Step 4: Simplify right side
    1,081,594.34x = 660,470,153,339.48
  5. Step 5: Solve for x
    x = 660,470,153,339.48/1,081,594.34
  6. Step 6: Final answer
    x = 610,644.98

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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.