Home / 1,006,718.21-1,389,271.32-554,009.21

Finding the Fourth Proportional to 1,006,718.21, 1,389,271.32 and 554,009.21

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Solution

The fourth proportional to 1,006,718.21, 1,389,271.32 and 554,009.21 is: 764,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,718.21 : 1,389,271.32 = 554,009.21 : x
  2. Step 2: Convert to fraction form
    1,006,718.21/1,389,271.32 = 554,009.21/x
  3. Step 3: Cross multiply
    1,006,718.21x = 1,389,271.32 × 554,009.21
  4. Step 4: Simplify right side
    1,006,718.21x = 769,669,099,522.50
  5. Step 5: Solve for x
    x = 769,669,099,522.50/1,006,718.21
  6. Step 6: Final answer
    x = 764,532.81

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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.