Home / 1,008,253.35-1,391,487.68-753,161.67

Finding the Fourth Proportional to 1,008,253.35, 1,391,487.68 and 753,161.67

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Solution

The fourth proportional to 1,008,253.35, 1,391,487.68 and 753,161.67 is: 1,039,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,253.35 : 1,391,487.68 = 753,161.67 : x
  2. Step 2: Convert to fraction form
    1,008,253.35/1,391,487.68 = 753,161.67/x
  3. Step 3: Cross multiply
    1,008,253.35x = 1,391,487.68 × 753,161.67
  4. Step 4: Simplify right side
    1,008,253.35x = 1,048,015,184,853.23
  5. Step 5: Solve for x
    x = 1,048,015,184,853.23/1,008,253.35
  6. Step 6: Final answer
    x = 1,039,436.35

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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.