Home / 589,176.20-882,857.10-438,710.60

Finding the Fourth Proportional to 589,176.20, 882,857.10 and 438,710.60

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Solution

The fourth proportional to 589,176.20, 882,857.10 and 438,710.60 is: 657,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,176.20 : 882,857.10 = 438,710.60 : x
  2. Step 2: Convert to fraction form
    589,176.20/882,857.10 = 438,710.60/x
  3. Step 3: Cross multiply
    589,176.20x = 882,857.10 × 438,710.60
  4. Step 4: Simplify right side
    589,176.20x = 387,318,768,055.26
  5. Step 5: Solve for x
    x = 387,318,768,055.26/589,176.20
  6. Step 6: Final answer
    x = 657,390.38

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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.