Home / 481,026.40-723,289.20-470,528.80

Finding the Fourth Proportional to 481,026.40, 723,289.20 and 470,528.80

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Solution

The fourth proportional to 481,026.40, 723,289.20 and 470,528.80 is: 707,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,026.40 : 723,289.20 = 470,528.80 : x
  2. Step 2: Convert to fraction form
    481,026.40/723,289.20 = 470,528.80/x
  3. Step 3: Cross multiply
    481,026.40x = 723,289.20 × 470,528.80
  4. Step 4: Simplify right side
    481,026.40x = 340,328,399,328.96
  5. Step 5: Solve for x
    x = 340,328,399,328.96/481,026.40
  6. Step 6: Final answer
    x = 707,504.62

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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.