Home / 949,581.71-1,310,416.44-519,869.06

Finding the Fourth Proportional to 949,581.71, 1,310,416.44 and 519,869.06

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Solution

The fourth proportional to 949,581.71, 1,310,416.44 and 519,869.06 is: 717,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,581.71 : 1,310,416.44 = 519,869.06 : x
  2. Step 2: Convert to fraction form
    949,581.71/1,310,416.44 = 519,869.06/x
  3. Step 3: Cross multiply
    949,581.71x = 1,310,416.44 × 519,869.06
  4. Step 4: Simplify right side
    949,581.71x = 681,244,962,871.35
  5. Step 5: Solve for x
    x = 681,244,962,871.35/949,581.71
  6. Step 6: Final answer
    x = 717,415.84

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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.