Home / 686,592.95-1,030,041.09-231,206.54

Finding the Fourth Proportional to 686,592.95, 1,030,041.09 and 231,206.54

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Solution

The fourth proportional to 686,592.95, 1,030,041.09 and 231,206.54 is: 346,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,592.95 : 1,030,041.09 = 231,206.54 : x
  2. Step 2: Convert to fraction form
    686,592.95/1,030,041.09 = 231,206.54/x
  3. Step 3: Cross multiply
    686,592.95x = 1,030,041.09 × 231,206.54
  4. Step 4: Simplify right side
    686,592.95x = 238,152,231,326.52
  5. Step 5: Solve for x
    x = 238,152,231,326.52/686,592.95
  6. Step 6: Final answer
    x = 346,860.88

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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.