Home / 686,953.78-1,030,177.95-237,559.30

Finding the Fourth Proportional to 686,953.78, 1,030,177.95 and 237,559.30

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Solution

The fourth proportional to 686,953.78, 1,030,177.95 and 237,559.30 is: 356,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,953.78 : 1,030,177.95 = 237,559.30 : x
  2. Step 2: Convert to fraction form
    686,953.78/1,030,177.95 = 237,559.30/x
  3. Step 3: Cross multiply
    686,953.78x = 1,030,177.95 × 237,559.30
  4. Step 4: Simplify right side
    686,953.78x = 244,728,349,211.14
  5. Step 5: Solve for x
    x = 244,728,349,211.14/686,953.78
  6. Step 6: Final answer
    x = 356,251.55

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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.