Home / 881,813.70-1,217,026.38-637,591.44

Finding the Fourth Proportional to 881,813.70, 1,217,026.38 and 637,591.44

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Solution

The fourth proportional to 881,813.70, 1,217,026.38 and 637,591.44 is: 879,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,813.70 : 1,217,026.38 = 637,591.44 : x
  2. Step 2: Convert to fraction form
    881,813.70/1,217,026.38 = 637,591.44/x
  3. Step 3: Cross multiply
    881,813.70x = 1,217,026.38 × 637,591.44
  4. Step 4: Simplify right side
    881,813.70x = 775,965,602,142.19
  5. Step 5: Solve for x
    x = 775,965,602,142.19/881,813.70
  6. Step 6: Final answer
    x = 879,965.46

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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.