Home / 453,746.13-679,870.35-263,672.96

Finding the Fourth Proportional to 453,746.13, 679,870.35 and 263,672.96

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Solution

The fourth proportional to 453,746.13, 679,870.35 and 263,672.96 is: 395,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,746.13 : 679,870.35 = 263,672.96 : x
  2. Step 2: Convert to fraction form
    453,746.13/679,870.35 = 263,672.96/x
  3. Step 3: Cross multiply
    453,746.13x = 679,870.35 × 263,672.96
  4. Step 4: Simplify right side
    453,746.13x = 179,263,424,201.38
  5. Step 5: Solve for x
    x = 179,263,424,201.38/453,746.13
  6. Step 6: Final answer
    x = 395,074.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.