Home / 384,862.23-531,109.04-215,096.36

Finding the Fourth Proportional to 384,862.23, 531,109.04 and 215,096.36

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Solution

The fourth proportional to 384,862.23, 531,109.04 and 215,096.36 is: 296,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,862.23 : 531,109.04 = 215,096.36 : x
  2. Step 2: Convert to fraction form
    384,862.23/531,109.04 = 215,096.36/x
  3. Step 3: Cross multiply
    384,862.23x = 531,109.04 × 215,096.36
  4. Step 4: Simplify right side
    384,862.23x = 114,239,617,536.07
  5. Step 5: Solve for x
    x = 114,239,617,536.07/384,862.23
  6. Step 6: Final answer
    x = 296,832.50

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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.