Home / 481,031.40-723,296.70-470,533.80

Finding the Fourth Proportional to 481,031.40, 723,296.70 and 470,533.80

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Solution

The fourth proportional to 481,031.40, 723,296.70 and 470,533.80 is: 707,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,031.40 : 723,296.70 = 470,533.80 : x
  2. Step 2: Convert to fraction form
    481,031.40/723,296.70 = 470,533.80/x
  3. Step 3: Cross multiply
    481,031.40x = 723,296.70 × 470,533.80
  4. Step 4: Simplify right side
    481,031.40x = 340,335,544,778.46
  5. Step 5: Solve for x
    x = 340,335,544,778.46/481,031.40
  6. Step 6: Final answer
    x = 707,512.12

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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.