Home / 814,788.57-1,222,182.77-434,557.35

Finding the Fourth Proportional to 814,788.57, 1,222,182.77 and 434,557.35

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Solution

The fourth proportional to 814,788.57, 1,222,182.77 and 434,557.35 is: 651,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,788.57 : 1,222,182.77 = 434,557.35 : x
  2. Step 2: Convert to fraction form
    814,788.57/1,222,182.77 = 434,557.35/x
  3. Step 3: Cross multiply
    814,788.57x = 1,222,182.77 × 434,557.35
  4. Step 4: Simplify right side
    814,788.57x = 531,108,503,574.07
  5. Step 5: Solve for x
    x = 531,108,503,574.07/814,788.57
  6. Step 6: Final answer
    x = 651,835.98

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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.