Home / 389,184.86-583,777.30-178,999.58

Finding the Fourth Proportional to 389,184.86, 583,777.30 and 178,999.58

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Solution

The fourth proportional to 389,184.86, 583,777.30 and 178,999.58 is: 268,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,184.86 : 583,777.30 = 178,999.58 : x
  2. Step 2: Convert to fraction form
    389,184.86/583,777.30 = 178,999.58/x
  3. Step 3: Cross multiply
    389,184.86x = 583,777.30 × 178,999.58
  4. Step 4: Simplify right side
    389,184.86x = 104,495,891,513.53
  5. Step 5: Solve for x
    x = 104,495,891,513.53/389,184.86
  6. Step 6: Final answer
    x = 268,499.37

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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.