Home / 945,556.47-1,417,033.75-405,165.86

Finding the Fourth Proportional to 945,556.47, 1,417,033.75 and 405,165.86

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Solution

The fourth proportional to 945,556.47, 1,417,033.75 and 405,165.86 is: 607,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,556.47 : 1,417,033.75 = 405,165.86 : x
  2. Step 2: Convert to fraction form
    945,556.47/1,417,033.75 = 405,165.86/x
  3. Step 3: Cross multiply
    945,556.47x = 1,417,033.75 × 405,165.86
  4. Step 4: Simplify right side
    945,556.47x = 574,133,698,220.83
  5. Step 5: Solve for x
    x = 574,133,698,220.83/945,556.47
  6. Step 6: Final answer
    x = 607,191.34

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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.