Home / 779,357.30-1,168,051.80-379,136.30

Finding the Fourth Proportional to 779,357.30, 1,168,051.80 and 379,136.30

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Solution

The fourth proportional to 779,357.30, 1,168,051.80 and 379,136.30 is: 568,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,357.30 : 1,168,051.80 = 379,136.30 : x
  2. Step 2: Convert to fraction form
    779,357.30/1,168,051.80 = 379,136.30/x
  3. Step 3: Cross multiply
    779,357.30x = 1,168,051.80 × 379,136.30
  4. Step 4: Simplify right side
    779,357.30x = 442,850,837,660.34
  5. Step 5: Solve for x
    x = 442,850,837,660.34/779,357.30
  6. Step 6: Final answer
    x = 568,225.69

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1.5x scale

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.