Home / 589,174.20-882,854.10-438,708.60

Finding the Fourth Proportional to 589,174.20, 882,854.10 and 438,708.60

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Solution

The fourth proportional to 589,174.20, 882,854.10 and 438,708.60 is: 657,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,174.20 : 882,854.10 = 438,708.60 : x
  2. Step 2: Convert to fraction form
    589,174.20/882,854.10 = 438,708.60/x
  3. Step 3: Cross multiply
    589,174.20x = 882,854.10 × 438,708.60
  4. Step 4: Simplify right side
    589,174.20x = 387,315,686,215.26
  5. Step 5: Solve for x
    x = 387,315,686,215.26/589,174.20
  6. Step 6: Final answer
    x = 657,387.38

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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.