Home / 1,556,420.77-2,147,864.21-877,357.27

Finding the Fourth Proportional to 1,556,420.77, 2,147,864.21 and 877,357.27

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Solution

The fourth proportional to 1,556,420.77, 2,147,864.21 and 877,357.27 is: 1,210,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,420.77 : 2,147,864.21 = 877,357.27 : x
  2. Step 2: Convert to fraction form
    1,556,420.77/2,147,864.21 = 877,357.27/x
  3. Step 3: Cross multiply
    1,556,420.77x = 2,147,864.21 × 877,357.27
  4. Step 4: Simplify right side
    1,556,420.77x = 1,884,444,275,229.52
  5. Step 5: Solve for x
    x = 1,884,444,275,229.52/1,556,420.77
  6. Step 6: Final answer
    x = 1,210,755.03

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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.