Home / 819,566.37-1,131,715.36-514,167.75

Finding the Fourth Proportional to 819,566.37, 1,131,715.36 and 514,167.75

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Solution

The fourth proportional to 819,566.37, 1,131,715.36 and 514,167.75 is: 709,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,566.37 : 1,131,715.36 = 514,167.75 : x
  2. Step 2: Convert to fraction form
    819,566.37/1,131,715.36 = 514,167.75/x
  3. Step 3: Cross multiply
    819,566.37x = 1,131,715.36 × 514,167.75
  4. Step 4: Simplify right side
    819,566.37x = 581,891,540,934.35
  5. Step 5: Solve for x
    x = 581,891,540,934.35/819,566.37
  6. Step 6: Final answer
    x = 709,999.29

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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.