Home / 916,736.49-1,265,110.25-503,307.36

Finding the Fourth Proportional to 916,736.49, 1,265,110.25 and 503,307.36

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Solution

The fourth proportional to 916,736.49, 1,265,110.25 and 503,307.36 is: 694,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,736.49 : 1,265,110.25 = 503,307.36 : x
  2. Step 2: Convert to fraction form
    916,736.49/1,265,110.25 = 503,307.36/x
  3. Step 3: Cross multiply
    916,736.49x = 1,265,110.25 × 503,307.36
  4. Step 4: Simplify right side
    916,736.49x = 636,739,297,519.90
  5. Step 5: Solve for x
    x = 636,739,297,519.90/916,736.49
  6. Step 6: Final answer
    x = 694,571.78

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1.5x scale

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.