Home / 821,503.60-1,133,634.27-458,855.26

Finding the Fourth Proportional to 821,503.60, 1,133,634.27 and 458,855.26

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Solution

The fourth proportional to 821,503.60, 1,133,634.27 and 458,855.26 is: 633,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,503.60 : 1,133,634.27 = 458,855.26 : x
  2. Step 2: Convert to fraction form
    821,503.60/1,133,634.27 = 458,855.26/x
  3. Step 3: Cross multiply
    821,503.60x = 1,133,634.27 × 458,855.26
  4. Step 4: Simplify right side
    821,503.60x = 520,174,047,705.76
  5. Step 5: Solve for x
    x = 520,174,047,705.76/821,503.60
  6. Step 6: Final answer
    x = 633,197.53

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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.