Home / 1,556,559.90-2,147,777.10-877,496.40

Finding the Fourth Proportional to 1,556,559.90, 2,147,777.10 and 877,496.40

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Solution

The fourth proportional to 1,556,559.90, 2,147,777.10 and 877,496.40 is: 1,210,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,559.90 : 2,147,777.10 = 877,496.40 : x
  2. Step 2: Convert to fraction form
    1,556,559.90/2,147,777.10 = 877,496.40/x
  3. Step 3: Cross multiply
    1,556,559.90x = 2,147,777.10 × 877,496.40
  4. Step 4: Simplify right side
    1,556,559.90x = 1,884,666,673,252.44
  5. Step 5: Solve for x
    x = 1,884,666,673,252.44/1,556,559.90
  6. Step 6: Final answer
    x = 1,210,789.69

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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.