Home / 816,436.33-1,126,711.05-448,941.44

Finding the Fourth Proportional to 816,436.33, 1,126,711.05 and 448,941.44

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Solution

The fourth proportional to 816,436.33, 1,126,711.05 and 448,941.44 is: 619,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,436.33 : 1,126,711.05 = 448,941.44 : x
  2. Step 2: Convert to fraction form
    816,436.33/1,126,711.05 = 448,941.44/x
  3. Step 3: Cross multiply
    816,436.33x = 1,126,711.05 × 448,941.44
  4. Step 4: Simplify right side
    816,436.33x = 505,827,276,519.91
  5. Step 5: Solve for x
    x = 505,827,276,519.91/816,436.33
  6. Step 6: Final answer
    x = 619,555.08

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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.