Home / 556,914.90-835,467.12-219,779.13

Finding the Fourth Proportional to 556,914.90, 835,467.12 and 219,779.13

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Solution

The fourth proportional to 556,914.90, 835,467.12 and 219,779.13 is: 329,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,914.90 : 835,467.12 = 219,779.13 : x
  2. Step 2: Convert to fraction form
    556,914.90/835,467.12 = 219,779.13/x
  3. Step 3: Cross multiply
    556,914.90x = 835,467.12 × 219,779.13
  4. Step 4: Simplify right side
    556,914.90x = 183,618,236,777.21
  5. Step 5: Solve for x
    x = 183,618,236,777.21/556,914.90
  6. Step 6: Final answer
    x = 329,706.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.