Home / 1,556,661.65-2,148,189.58-877,593.29

Finding the Fourth Proportional to 1,556,661.65, 2,148,189.58 and 877,593.29

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Solution

The fourth proportional to 1,556,661.65, 2,148,189.58 and 877,593.29 is: 1,211,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,661.65 : 2,148,189.58 = 877,593.29 : x
  2. Step 2: Convert to fraction form
    1,556,661.65/2,148,189.58 = 877,593.29/x
  3. Step 3: Cross multiply
    1,556,661.65x = 2,148,189.58 × 877,593.29
  4. Step 4: Simplify right side
    1,556,661.65x = 1,885,236,764,232.41
  5. Step 5: Solve for x
    x = 1,885,236,764,232.41/1,556,661.65
  6. Step 6: Final answer
    x = 1,211,076.77

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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.