Home / 589,450.24-812,017.92-487,048.96

Finding the Fourth Proportional to 589,450.24, 812,017.92 and 487,048.96

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Solution

The fourth proportional to 589,450.24, 812,017.92 and 487,048.96 is: 670,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,450.24 : 812,017.92 = 487,048.96 : x
  2. Step 2: Convert to fraction form
    589,450.24/812,017.92 = 487,048.96/x
  3. Step 3: Cross multiply
    589,450.24x = 812,017.92 × 487,048.96
  4. Step 4: Simplify right side
    589,450.24x = 395,492,483,437.36
  5. Step 5: Solve for x
    x = 395,492,483,437.36/589,450.24
  6. Step 6: Final answer
    x = 670,951.43

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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.