Home / 1,453,994.25-2,179,981.40-643,937.27

Finding the Fourth Proportional to 1,453,994.25, 2,179,981.40 and 643,937.27

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Solution

The fourth proportional to 1,453,994.25, 2,179,981.40 and 643,937.27 is: 965,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,994.25 : 2,179,981.40 = 643,937.27 : x
  2. Step 2: Convert to fraction form
    1,453,994.25/2,179,981.40 = 643,937.27/x
  3. Step 3: Cross multiply
    1,453,994.25x = 2,179,981.40 × 643,937.27
  4. Step 4: Simplify right side
    1,453,994.25x = 1,403,771,257,247.18
  5. Step 5: Solve for x
    x = 1,403,771,257,247.18/1,453,994.25
  6. Step 6: Final answer
    x = 965,458.60

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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.