Home / 499,907.04-689,871.76-273,552.56

Finding the Fourth Proportional to 499,907.04, 689,871.76 and 273,552.56

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Solution

The fourth proportional to 499,907.04, 689,871.76 and 273,552.56 is: 377,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,907.04 : 689,871.76 = 273,552.56 : x
  2. Step 2: Convert to fraction form
    499,907.04/689,871.76 = 273,552.56/x
  3. Step 3: Cross multiply
    499,907.04x = 689,871.76 × 273,552.56
  4. Step 4: Simplify right side
    499,907.04x = 188,716,186,019.71
  5. Step 5: Solve for x
    x = 188,716,186,019.71/499,907.04
  6. Step 6: Final answer
    x = 377,502.56

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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.