Home / 1,556,369.34-2,147,822.55-877,305.66

Finding the Fourth Proportional to 1,556,369.34, 2,147,822.55 and 877,305.66

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Solution

The fourth proportional to 1,556,369.34, 2,147,822.55 and 877,305.66 is: 1,210,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,369.34 : 2,147,822.55 = 877,305.66 : x
  2. Step 2: Convert to fraction form
    1,556,369.34/2,147,822.55 = 877,305.66/x
  3. Step 3: Cross multiply
    1,556,369.34x = 2,147,822.55 × 877,305.66
  4. Step 4: Simplify right side
    1,556,369.34x = 1,884,296,879,790.63
  5. Step 5: Solve for x
    x = 1,884,296,879,790.63/1,556,369.34
  6. Step 6: Final answer
    x = 1,210,700.33

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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.