Home / 1,626,685.11-2,439,465.88-666,868.22

Finding the Fourth Proportional to 1,626,685.11, 2,439,465.88 and 666,868.22

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Solution

The fourth proportional to 1,626,685.11, 2,439,465.88 and 666,868.22 is: 1,000,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,685.11 : 2,439,465.88 = 666,868.22 : x
  2. Step 2: Convert to fraction form
    1,626,685.11/2,439,465.88 = 666,868.22/x
  3. Step 3: Cross multiply
    1,626,685.11x = 2,439,465.88 × 666,868.22
  4. Step 4: Simplify right side
    1,626,685.11x = 1,626,802,269,146.33
  5. Step 5: Solve for x
    x = 1,626,802,269,146.33/1,626,685.11
  6. Step 6: Final answer
    x = 1,000,072.02

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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.