Home / 743,716-1,119,620.60-677,581.12

Finding the Fourth Proportional to 743,716, 1,119,620.60 and 677,581.12

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Solution

The fourth proportional to 743,716, 1,119,620.60 and 677,581.12 is: 1,020,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,716 : 1,119,620.60 = 677,581.12 : x
  2. Step 2: Convert to fraction form
    743,716/1,119,620.60 = 677,581.12/x
  3. Step 3: Cross multiply
    743,716x = 1,119,620.60 × 677,581.12
  4. Step 4: Simplify right side
    743,716x = 758,633,780,123.07
  5. Step 5: Solve for x
    x = 758,633,780,123.07/743,716
  6. Step 6: Final answer
    x = 1,020,058.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.