Home / 779,230.80-1,168,846.20-329,802.30

Finding the Fourth Proportional to 779,230.80, 1,168,846.20 and 329,802.30

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Solution

The fourth proportional to 779,230.80, 1,168,846.20 and 329,802.30 is: 494,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,230.80 : 1,168,846.20 = 329,802.30 : x
  2. Step 2: Convert to fraction form
    779,230.80/1,168,846.20 = 329,802.30/x
  3. Step 3: Cross multiply
    779,230.80x = 1,168,846.20 × 329,802.30
  4. Step 4: Simplify right side
    779,230.80x = 385,488,165,106.26
  5. Step 5: Solve for x
    x = 385,488,165,106.26/779,230.80
  6. Step 6: Final answer
    x = 494,703.45

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Double scale
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Similar ratio
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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.