Home / 1,678,186.08-2,315,956.32-953,013.60

Finding the Fourth Proportional to 1,678,186.08, 2,315,956.32 and 953,013.60

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Solution

The fourth proportional to 1,678,186.08, 2,315,956.32 and 953,013.60 is: 1,315,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,186.08 : 2,315,956.32 = 953,013.60 : x
  2. Step 2: Convert to fraction form
    1,678,186.08/2,315,956.32 = 953,013.60/x
  3. Step 3: Cross multiply
    1,678,186.08x = 2,315,956.32 × 953,013.60
  4. Step 4: Simplify right side
    1,678,186.08x = 2,207,137,869,965.95
  5. Step 5: Solve for x
    x = 2,207,137,869,965.95/1,678,186.08
  6. Step 6: Final answer
    x = 1,315,192.57

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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.