Home / 816,564.51-1,126,877.33-449,018.36

Finding the Fourth Proportional to 816,564.51, 1,126,877.33 and 449,018.36

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Solution

The fourth proportional to 816,564.51, 1,126,877.33 and 449,018.36 is: 619,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,564.51 : 1,126,877.33 = 449,018.36 : x
  2. Step 2: Convert to fraction form
    816,564.51/1,126,877.33 = 449,018.36/x
  3. Step 3: Cross multiply
    816,564.51x = 1,126,877.33 × 449,018.36
  4. Step 4: Simplify right side
    816,564.51x = 505,988,602,758.30
  5. Step 5: Solve for x
    x = 505,988,602,758.30/816,564.51
  6. Step 6: Final answer
    x = 619,655.39

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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.