Home / 589,228.20-882,935.10-438,762.60

Finding the Fourth Proportional to 589,228.20, 882,935.10 and 438,762.60

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Solution

The fourth proportional to 589,228.20, 882,935.10 and 438,762.60 is: 657,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,228.20 : 882,935.10 = 438,762.60 : x
  2. Step 2: Convert to fraction form
    589,228.20/882,935.10 = 438,762.60/x
  3. Step 3: Cross multiply
    589,228.20x = 882,935.10 × 438,762.60
  4. Step 4: Simplify right side
    589,228.20x = 387,398,900,107.26
  5. Step 5: Solve for x
    x = 387,398,900,107.26/589,228.20
  6. Step 6: Final answer
    x = 657,468.36

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1.5x scale

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.