Home / 779,819.04-1,076,153.64-422,123.04

Finding the Fourth Proportional to 779,819.04, 1,076,153.64 and 422,123.04

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Solution

The fourth proportional to 779,819.04, 1,076,153.64 and 422,123.04 is: 582,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,819.04 : 1,076,153.64 = 422,123.04 : x
  2. Step 2: Convert to fraction form
    779,819.04/1,076,153.64 = 422,123.04/x
  3. Step 3: Cross multiply
    779,819.04x = 1,076,153.64 × 422,123.04
  4. Step 4: Simplify right side
    779,819.04x = 454,269,246,023.87
  5. Step 5: Solve for x
    x = 454,269,246,023.87/779,819.04
  6. Step 6: Final answer
    x = 582,531.62

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1.5x scale

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.