Home / 740,908.84-1,110,148.24-314,103.64

Finding the Fourth Proportional to 740,908.84, 1,110,148.24 and 314,103.64

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Solution

The fourth proportional to 740,908.84, 1,110,148.24 and 314,103.64 is: 470,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,908.84 : 1,110,148.24 = 314,103.64 : x
  2. Step 2: Convert to fraction form
    740,908.84/1,110,148.24 = 314,103.64/x
  3. Step 3: Cross multiply
    740,908.84x = 1,110,148.24 × 314,103.64
  4. Step 4: Simplify right side
    740,908.84x = 348,701,603,123.59
  5. Step 5: Solve for x
    x = 348,701,603,123.59/740,908.84
  6. Step 6: Final answer
    x = 470,640.36

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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.