Home / 948,676.42-1,309,173.02-518,956.43

Finding the Fourth Proportional to 948,676.42, 1,309,173.02 and 518,956.43

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Solution

The fourth proportional to 948,676.42, 1,309,173.02 and 518,956.43 is: 716,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,676.42 : 1,309,173.02 = 518,956.43 : x
  2. Step 2: Convert to fraction form
    948,676.42/1,309,173.02 = 518,956.43/x
  3. Step 3: Cross multiply
    948,676.42x = 1,309,173.02 × 518,956.43
  4. Step 4: Simplify right side
    948,676.42x = 679,403,756,711.52
  5. Step 5: Solve for x
    x = 679,403,756,711.52/948,676.42
  6. Step 6: Final answer
    x = 716,159.63

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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.