Home / 1,265,840.43-1,746,861.91-685,064.08

Finding the Fourth Proportional to 1,265,840.43, 1,746,861.91 and 685,064.08

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Solution

The fourth proportional to 1,265,840.43, 1,746,861.91 and 685,064.08 is: 945,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,840.43 : 1,746,861.91 = 685,064.08 : x
  2. Step 2: Convert to fraction form
    1,265,840.43/1,746,861.91 = 685,064.08/x
  3. Step 3: Cross multiply
    1,265,840.43x = 1,746,861.91 × 685,064.08
  4. Step 4: Simplify right side
    1,265,840.43x = 1,196,712,338,526.88
  5. Step 5: Solve for x
    x = 1,196,712,338,526.88/1,265,840.43
  6. Step 6: Final answer
    x = 945,389.57

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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.