Home / 621,968.49-858,386.16-350,102.52

Finding the Fourth Proportional to 621,968.49, 858,386.16 and 350,102.52

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Solution

The fourth proportional to 621,968.49, 858,386.16 and 350,102.52 is: 483,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,968.49 : 858,386.16 = 350,102.52 : x
  2. Step 2: Convert to fraction form
    621,968.49/858,386.16 = 350,102.52/x
  3. Step 3: Cross multiply
    621,968.49x = 858,386.16 × 350,102.52
  4. Step 4: Simplify right side
    621,968.49x = 300,523,157,749.12
  5. Step 5: Solve for x
    x = 300,523,157,749.12/621,968.49
  6. Step 6: Final answer
    x = 483,180.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.