Home / 1,171,528.03-1,755,474.43-812,399.40

Finding the Fourth Proportional to 1,171,528.03, 1,755,474.43 and 812,399.40

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Solution

The fourth proportional to 1,171,528.03, 1,755,474.43 and 812,399.40 is: 1,217,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,528.03 : 1,755,474.43 = 812,399.40 : x
  2. Step 2: Convert to fraction form
    1,171,528.03/1,755,474.43 = 812,399.40/x
  3. Step 3: Cross multiply
    1,171,528.03x = 1,755,474.43 × 812,399.40
  4. Step 4: Simplify right side
    1,171,528.03x = 1,426,146,373,647.34
  5. Step 5: Solve for x
    x = 1,426,146,373,647.34/1,171,528.03
  6. Step 6: Final answer
    x = 1,217,338.67

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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.