Home / 641,200.98-884,830.77-350,811.12

Finding the Fourth Proportional to 641,200.98, 884,830.77 and 350,811.12

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Solution

The fourth proportional to 641,200.98, 884,830.77 and 350,811.12 is: 484,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,200.98 : 884,830.77 = 350,811.12 : x
  2. Step 2: Convert to fraction form
    641,200.98/884,830.77 = 350,811.12/x
  3. Step 3: Cross multiply
    641,200.98x = 884,830.77 × 350,811.12
  4. Step 4: Simplify right side
    641,200.98x = 310,408,473,434.16
  5. Step 5: Solve for x
    x = 310,408,473,434.16/641,200.98
  6. Step 6: Final answer
    x = 484,104.80

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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.