Home / 579,022.53-867,573.39-409,703.58

Finding the Fourth Proportional to 579,022.53, 867,573.39 and 409,703.58

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Solution

The fourth proportional to 579,022.53, 867,573.39 and 409,703.58 is: 613,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,022.53 : 867,573.39 = 409,703.58 : x
  2. Step 2: Convert to fraction form
    579,022.53/867,573.39 = 409,703.58/x
  3. Step 3: Cross multiply
    579,022.53x = 867,573.39 × 409,703.58
  4. Step 4: Simplify right side
    579,022.53x = 355,447,923,795.74
  5. Step 5: Solve for x
    x = 355,447,923,795.74/579,022.53
  6. Step 6: Final answer
    x = 613,875.81

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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.