Home / 384,818.38-531,051.33-215,055.34

Finding the Fourth Proportional to 384,818.38, 531,051.33 and 215,055.34

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Solution

The fourth proportional to 384,818.38, 531,051.33 and 215,055.34 is: 296,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,818.38 : 531,051.33 = 215,055.34 : x
  2. Step 2: Convert to fraction form
    384,818.38/531,051.33 = 215,055.34/x
  3. Step 3: Cross multiply
    384,818.38x = 531,051.33 × 215,055.34
  4. Step 4: Simplify right side
    384,818.38x = 114,205,424,330.60
  5. Step 5: Solve for x
    x = 114,205,424,330.60/384,818.38
  6. Step 6: Final answer
    x = 296,777.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.