Home / 1,291,697.85-1,937,982.35-571,941.29

Finding the Fourth Proportional to 1,291,697.85, 1,937,982.35 and 571,941.29

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Solution

The fourth proportional to 1,291,697.85, 1,937,982.35 and 571,941.29 is: 858,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,697.85 : 1,937,982.35 = 571,941.29 : x
  2. Step 2: Convert to fraction form
    1,291,697.85/1,937,982.35 = 571,941.29/x
  3. Step 3: Cross multiply
    1,291,697.85x = 1,937,982.35 × 571,941.29
  4. Step 4: Simplify right side
    1,291,697.85x = 1,108,412,112,706.61
  5. Step 5: Solve for x
    x = 1,108,412,112,706.61/1,291,697.85
  6. Step 6: Final answer
    x = 858,104.79

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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.