Home / 470,828.58-649,756.26-255,983.46

Finding the Fourth Proportional to 470,828.58, 649,756.26 and 255,983.46

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Solution

The fourth proportional to 470,828.58, 649,756.26 and 255,983.46 is: 353,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,828.58 : 649,756.26 = 255,983.46 : x
  2. Step 2: Convert to fraction form
    470,828.58/649,756.26 = 255,983.46/x
  3. Step 3: Cross multiply
    470,828.58x = 649,756.26 × 255,983.46
  4. Step 4: Simplify right side
    470,828.58x = 166,326,855,591.46
  5. Step 5: Solve for x
    x = 166,326,855,591.46/470,828.58
  6. Step 6: Final answer
    x = 353,264.14

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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.