Home / 692,044.47-1,038,060.32-218,730.09

Finding the Fourth Proportional to 692,044.47, 1,038,060.32 and 218,730.09

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Solution

The fourth proportional to 692,044.47, 1,038,060.32 and 218,730.09 is: 328,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,044.47 : 1,038,060.32 = 218,730.09 : x
  2. Step 2: Convert to fraction form
    692,044.47/1,038,060.32 = 218,730.09/x
  3. Step 3: Cross multiply
    692,044.47x = 1,038,060.32 × 218,730.09
  4. Step 4: Simplify right side
    692,044.47x = 227,055,027,219.03
  5. Step 5: Solve for x
    x = 227,055,027,219.03/692,044.47
  6. Step 6: Final answer
    x = 328,093.12

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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.