Home / 686,586.17-1,030,030.98-231,199.77

Finding the Fourth Proportional to 686,586.17, 1,030,030.98 and 231,199.77

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Solution

The fourth proportional to 686,586.17, 1,030,030.98 and 231,199.77 is: 346,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,586.17 : 1,030,030.98 = 231,199.77 : x
  2. Step 2: Convert to fraction form
    686,586.17/1,030,030.98 = 231,199.77/x
  3. Step 3: Cross multiply
    686,586.17x = 1,030,030.98 × 231,199.77
  4. Step 4: Simplify right side
    686,586.17x = 238,142,924,171.07
  5. Step 5: Solve for x
    x = 238,142,924,171.07/686,586.17
  6. Step 6: Final answer
    x = 346,850.74

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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.