Home / 379,465.20-569,582.96-190,061.28

Finding the Fourth Proportional to 379,465.20, 569,582.96 and 190,061.28

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Solution

The fourth proportional to 379,465.20, 569,582.96 and 190,061.28 is: 285,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,465.20 : 569,582.96 = 190,061.28 : x
  2. Step 2: Convert to fraction form
    379,465.20/569,582.96 = 190,061.28/x
  3. Step 3: Cross multiply
    379,465.20x = 569,582.96 × 190,061.28
  4. Step 4: Simplify right side
    379,465.20x = 108,255,665,493.48
  5. Step 5: Solve for x
    x = 108,255,665,493.48/379,465.20
  6. Step 6: Final answer
    x = 285,284.83

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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.