Home / 623,345.80-935,067.30-268,371.40

Finding the Fourth Proportional to 623,345.80, 935,067.30 and 268,371.40

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Solution

The fourth proportional to 623,345.80, 935,067.30 and 268,371.40 is: 402,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,345.80 : 935,067.30 = 268,371.40 : x
  2. Step 2: Convert to fraction form
    623,345.80/935,067.30 = 268,371.40/x
  3. Step 3: Cross multiply
    623,345.80x = 935,067.30 × 268,371.40
  4. Step 4: Simplify right side
    623,345.80x = 250,945,320,395.22
  5. Step 5: Solve for x
    x = 250,945,320,395.22/623,345.80
  6. Step 6: Final answer
    x = 402,578.02

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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.