Home / 1,056,554.70-1,585,998.45-657,645.90

Finding the Fourth Proportional to 1,056,554.70, 1,585,998.45 and 657,645.90

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Solution

The fourth proportional to 1,056,554.70, 1,585,998.45 and 657,645.90 is: 987,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,554.70 : 1,585,998.45 = 657,645.90 : x
  2. Step 2: Convert to fraction form
    1,056,554.70/1,585,998.45 = 657,645.90/x
  3. Step 3: Cross multiply
    1,056,554.70x = 1,585,998.45 × 657,645.90
  4. Step 4: Simplify right side
    1,056,554.70x = 1,043,025,378,048.86
  5. Step 5: Solve for x
    x = 1,043,025,378,048.86/1,056,554.70
  6. Step 6: Final answer
    x = 987,194.87

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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.