Home / 691,112.34-1,036,598.45-185,607.63

Finding the Fourth Proportional to 691,112.34, 1,036,598.45 and 185,607.63

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Solution

The fourth proportional to 691,112.34, 1,036,598.45 and 185,607.63 is: 278,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,112.34 : 1,036,598.45 = 185,607.63 : x
  2. Step 2: Convert to fraction form
    691,112.34/1,036,598.45 = 185,607.63/x
  3. Step 3: Cross multiply
    691,112.34x = 1,036,598.45 × 185,607.63
  4. Step 4: Simplify right side
    691,112.34x = 192,400,580,638.14
  5. Step 5: Solve for x
    x = 192,400,580,638.14/691,112.34
  6. Step 6: Final answer
    x = 278,392.63

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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.