Home / 734,647.94-1,013,780.03-407,981.69

Finding the Fourth Proportional to 734,647.94, 1,013,780.03 and 407,981.69

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Solution

The fourth proportional to 734,647.94, 1,013,780.03 and 407,981.69 is: 562,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,647.94 : 1,013,780.03 = 407,981.69 : x
  2. Step 2: Convert to fraction form
    734,647.94/1,013,780.03 = 407,981.69/x
  3. Step 3: Cross multiply
    734,647.94x = 1,013,780.03 × 407,981.69
  4. Step 4: Simplify right side
    734,647.94x = 413,603,682,818.84
  5. Step 5: Solve for x
    x = 413,603,682,818.84/734,647.94
  6. Step 6: Final answer
    x = 562,995.77

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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.