Home / 1,556,545.45-2,333,715.57-691,505.26

Finding the Fourth Proportional to 1,556,545.45, 2,333,715.57 and 691,505.26

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Solution

The fourth proportional to 1,556,545.45, 2,333,715.57 and 691,505.26 is: 1,036,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,545.45 : 2,333,715.57 = 691,505.26 : x
  2. Step 2: Convert to fraction form
    1,556,545.45/2,333,715.57 = 691,505.26/x
  3. Step 3: Cross multiply
    1,556,545.45x = 2,333,715.57 × 691,505.26
  4. Step 4: Simplify right side
    1,556,545.45x = 1,613,776,591,998.90
  5. Step 5: Solve for x
    x = 1,613,776,591,998.90/1,556,545.45
  6. Step 6: Final answer
    x = 1,036,768.05

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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.