Home / 949,063.51-1,309,707.61-519,343.69

Finding the Fourth Proportional to 949,063.51, 1,309,707.61 and 519,343.69

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Solution

The fourth proportional to 949,063.51, 1,309,707.61 and 519,343.69 is: 716,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,063.51 : 1,309,707.61 = 519,343.69 : x
  2. Step 2: Convert to fraction form
    949,063.51/1,309,707.61 = 519,343.69/x
  3. Step 3: Cross multiply
    949,063.51x = 1,309,707.61 × 519,343.69
  4. Step 4: Simplify right side
    949,063.51x = 680,188,373,853.22
  5. Step 5: Solve for x
    x = 680,188,373,853.22/949,063.51
  6. Step 6: Final answer
    x = 716,694.27

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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.