Home / 804,403.60-1,206,605.40-534,965.20

Finding the Fourth Proportional to 804,403.60, 1,206,605.40 and 534,965.20

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Solution

The fourth proportional to 804,403.60, 1,206,605.40 and 534,965.20 is: 802,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,403.60 : 1,206,605.40 = 534,965.20 : x
  2. Step 2: Convert to fraction form
    804,403.60/1,206,605.40 = 534,965.20/x
  3. Step 3: Cross multiply
    804,403.60x = 1,206,605.40 × 534,965.20
  4. Step 4: Simplify right side
    804,403.60x = 645,491,899,132.08
  5. Step 5: Solve for x
    x = 645,491,899,132.08/804,403.60
  6. Step 6: Final answer
    x = 802,447.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.