Home / 949,089.20-1,309,743.16-519,369.35

Finding the Fourth Proportional to 949,089.20, 1,309,743.16 and 519,369.35

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Solution

The fourth proportional to 949,089.20, 1,309,743.16 and 519,369.35 is: 716,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,089.20 : 1,309,743.16 = 519,369.35 : x
  2. Step 2: Convert to fraction form
    949,089.20/1,309,743.16 = 519,369.35/x
  3. Step 3: Cross multiply
    949,089.20x = 1,309,743.16 × 519,369.35
  4. Step 4: Simplify right side
    949,089.20x = 680,240,445,829.01
  5. Step 5: Solve for x
    x = 680,240,445,829.01/949,089.20
  6. Step 6: Final answer
    x = 716,729.73

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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.