Home / 621,156.41-931,736.06-188,877.84

Finding the Fourth Proportional to 621,156.41, 931,736.06 and 188,877.84

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Solution

The fourth proportional to 621,156.41, 931,736.06 and 188,877.84 is: 283,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,156.41 : 931,736.06 = 188,877.84 : x
  2. Step 2: Convert to fraction form
    621,156.41/931,736.06 = 188,877.84/x
  3. Step 3: Cross multiply
    621,156.41x = 931,736.06 × 188,877.84
  4. Step 4: Simplify right side
    621,156.41x = 175,984,294,462.91
  5. Step 5: Solve for x
    x = 175,984,294,462.91/621,156.41
  6. Step 6: Final answer
    x = 283,317.20

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1.5x scale

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.