Home / 669,085.94-1,003,417.50-219,732.77

Finding the Fourth Proportional to 669,085.94, 1,003,417.50 and 219,732.77

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Solution

The fourth proportional to 669,085.94, 1,003,417.50 and 219,732.77 is: 329,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,085.94 : 1,003,417.50 = 219,732.77 : x
  2. Step 2: Convert to fraction form
    669,085.94/1,003,417.50 = 219,732.77/x
  3. Step 3: Cross multiply
    669,085.94x = 1,003,417.50 × 219,732.77
  4. Step 4: Simplify right side
    669,085.94x = 220,483,706,741.48
  5. Step 5: Solve for x
    x = 220,483,706,741.48/669,085.94
  6. Step 6: Final answer
    x = 329,529.73

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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.