Home / 1,395,892.94-1,925,841.69-912,740.90

Finding the Fourth Proportional to 1,395,892.94, 1,925,841.69 and 912,740.90

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Solution

The fourth proportional to 1,395,892.94, 1,925,841.69 and 912,740.90 is: 1,259,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,892.94 : 1,925,841.69 = 912,740.90 : x
  2. Step 2: Convert to fraction form
    1,395,892.94/1,925,841.69 = 912,740.90/x
  3. Step 3: Cross multiply
    1,395,892.94x = 1,925,841.69 × 912,740.90
  4. Step 4: Simplify right side
    1,395,892.94x = 1,757,794,467,758.91
  5. Step 5: Solve for x
    x = 1,757,794,467,758.91/1,395,892.94
  6. Step 6: Final answer
    x = 1,259,261.67

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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.