Home / 762,191.60-1,051,755.48-422,658.80

Finding the Fourth Proportional to 762,191.60, 1,051,755.48 and 422,658.80

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Solution

The fourth proportional to 762,191.60, 1,051,755.48 and 422,658.80 is: 583,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,191.60 : 1,051,755.48 = 422,658.80 : x
  2. Step 2: Convert to fraction form
    762,191.60/1,051,755.48 = 422,658.80/x
  3. Step 3: Cross multiply
    762,191.60x = 1,051,755.48 × 422,658.80
  4. Step 4: Simplify right side
    762,191.60x = 444,533,709,070.22
  5. Step 5: Solve for x
    x = 444,533,709,070.22/762,191.60
  6. Step 6: Final answer
    x = 583,230.92

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Double scale
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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.