Home / 480,117.40-720,329.94-336,173.15

Finding the Fourth Proportional to 480,117.40, 720,329.94 and 336,173.15

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Solution

The fourth proportional to 480,117.40, 720,329.94 and 336,173.15 is: 504,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,117.40 : 720,329.94 = 336,173.15 : x
  2. Step 2: Convert to fraction form
    480,117.40/720,329.94 = 336,173.15/x
  3. Step 3: Cross multiply
    480,117.40x = 720,329.94 × 336,173.15
  4. Step 4: Simplify right side
    480,117.40x = 242,155,586,769.94
  5. Step 5: Solve for x
    x = 242,155,586,769.94/480,117.40
  6. Step 6: Final answer
    x = 504,367.45

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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.