Home / 816,302.10-1,126,448.67-453,713.49

Finding the Fourth Proportional to 816,302.10, 1,126,448.67 and 453,713.49

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Solution

The fourth proportional to 816,302.10, 1,126,448.67 and 453,713.49 is: 626,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,302.10 : 1,126,448.67 = 453,713.49 : x
  2. Step 2: Convert to fraction form
    816,302.10/1,126,448.67 = 453,713.49/x
  3. Step 3: Cross multiply
    816,302.10x = 1,126,448.67 × 453,713.49
  4. Step 4: Simplify right side
    816,302.10x = 511,084,957,371.56
  5. Step 5: Solve for x
    x = 511,084,957,371.56/816,302.10
  6. Step 6: Final answer
    x = 626,097.81

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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.