Home / 1,015,207.82-1,401,623.83-653,260.69

Finding the Fourth Proportional to 1,015,207.82, 1,401,623.83 and 653,260.69

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Solution

The fourth proportional to 1,015,207.82, 1,401,623.83 and 653,260.69 is: 901,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,207.82 : 1,401,623.83 = 653,260.69 : x
  2. Step 2: Convert to fraction form
    1,015,207.82/1,401,623.83 = 653,260.69/x
  3. Step 3: Cross multiply
    1,015,207.82x = 1,401,623.83 × 653,260.69
  4. Step 4: Simplify right side
    1,015,207.82x = 915,625,754,626.88
  5. Step 5: Solve for x
    x = 915,625,754,626.88/1,015,207.82
  6. Step 6: Final answer
    x = 901,909.67

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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.