Home / 686,857.41-1,030,443.12-237,577.88

Finding the Fourth Proportional to 686,857.41, 1,030,443.12 and 237,577.88

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Solution

The fourth proportional to 686,857.41, 1,030,443.12 and 237,577.88 is: 356,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,857.41 : 1,030,443.12 = 237,577.88 : x
  2. Step 2: Convert to fraction form
    686,857.41/1,030,443.12 = 237,577.88/x
  3. Step 3: Cross multiply
    686,857.41x = 1,030,443.12 × 237,577.88
  4. Step 4: Simplify right side
    686,857.41x = 244,810,494,486.29
  5. Step 5: Solve for x
    x = 244,810,494,486.29/686,857.41
  6. Step 6: Final answer
    x = 356,421.13

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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.