Home / 949,064.51-1,309,708.98-519,344.69

Finding the Fourth Proportional to 949,064.51, 1,309,708.98 and 519,344.69

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Solution

The fourth proportional to 949,064.51, 1,309,708.98 and 519,344.69 is: 716,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,064.51 : 1,309,708.98 = 519,344.69 : x
  2. Step 2: Convert to fraction form
    949,064.51/1,309,708.98 = 519,344.69/x
  3. Step 3: Cross multiply
    949,064.51x = 1,309,708.98 × 519,344.69
  4. Step 4: Simplify right side
    949,064.51x = 680,190,404,208.32
  5. Step 5: Solve for x
    x = 680,190,404,208.32/949,064.51
  6. Step 6: Final answer
    x = 716,695.65

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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.