Home / 934,663.80-1,401,995.70-928,758.90

Finding the Fourth Proportional to 934,663.80, 1,401,995.70 and 928,758.90

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Solution

The fourth proportional to 934,663.80, 1,401,995.70 and 928,758.90 is: 1,393,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,663.80 : 1,401,995.70 = 928,758.90 : x
  2. Step 2: Convert to fraction form
    934,663.80/1,401,995.70 = 928,758.90/x
  3. Step 3: Cross multiply
    934,663.80x = 1,401,995.70 × 928,758.90
  4. Step 4: Simplify right side
    934,663.80x = 1,302,115,984,136.73
  5. Step 5: Solve for x
    x = 1,302,115,984,136.73/934,663.80
  6. Step 6: Final answer
    x = 1,393,138.35

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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.