Home / 499,653.81-749,554.83-144,623.52

Finding the Fourth Proportional to 499,653.81, 749,554.83 and 144,623.52

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Solution

The fourth proportional to 499,653.81, 749,554.83 and 144,623.52 is: 216,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,653.81 : 749,554.83 = 144,623.52 : x
  2. Step 2: Convert to fraction form
    499,653.81/749,554.83 = 144,623.52/x
  3. Step 3: Cross multiply
    499,653.81x = 749,554.83 × 144,623.52
  4. Step 4: Simplify right side
    499,653.81x = 108,403,257,947.60
  5. Step 5: Solve for x
    x = 108,403,257,947.60/499,653.81
  6. Step 6: Final answer
    x = 216,956.73

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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.