Home / 949,153.95-1,309,814.96-519,425.46

Finding the Fourth Proportional to 949,153.95, 1,309,814.96 and 519,425.46

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Solution

The fourth proportional to 949,153.95, 1,309,814.96 and 519,425.46 is: 716,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,153.95 : 1,309,814.96 = 519,425.46 : x
  2. Step 2: Convert to fraction form
    949,153.95/1,309,814.96 = 519,425.46/x
  3. Step 3: Cross multiply
    949,153.95x = 1,309,814.96 × 519,425.46
  4. Step 4: Simplify right side
    949,153.95x = 680,351,235,515.75
  5. Step 5: Solve for x
    x = 680,351,235,515.75/949,153.95
  6. Step 6: Final answer
    x = 716,797.56

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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.