Home / 1,556,418.50-2,147,857.53-877,355

Finding the Fourth Proportional to 1,556,418.50, 2,147,857.53 and 877,355

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Solution

The fourth proportional to 1,556,418.50, 2,147,857.53 and 877,355 is: 1,210,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,418.50 : 2,147,857.53 = 877,355 : x
  2. Step 2: Convert to fraction form
    1,556,418.50/2,147,857.53 = 877,355/x
  3. Step 3: Cross multiply
    1,556,418.50x = 2,147,857.53 × 877,355
  4. Step 4: Simplify right side
    1,556,418.50x = 1,884,433,543,233.15
  5. Step 5: Solve for x
    x = 1,884,433,543,233.15/1,556,418.50
  6. Step 6: Final answer
    x = 1,210,749.90

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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.