Home / 686,263.23-1,029,532.55-237,000.57

Finding the Fourth Proportional to 686,263.23, 1,029,532.55 and 237,000.57

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Solution

The fourth proportional to 686,263.23, 1,029,532.55 and 237,000.57 is: 355,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,263.23 : 1,029,532.55 = 237,000.57 : x
  2. Step 2: Convert to fraction form
    686,263.23/1,029,532.55 = 237,000.57/x
  3. Step 3: Cross multiply
    686,263.23x = 1,029,532.55 × 237,000.57
  4. Step 4: Simplify right side
    686,263.23x = 243,999,799,998.55
  5. Step 5: Solve for x
    x = 243,999,799,998.55/686,263.23
  6. Step 6: Final answer
    x = 355,548.41

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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.