Home / 384,699.24-530,885.20-214,933.36

Finding the Fourth Proportional to 384,699.24, 530,885.20 and 214,933.36

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Solution

The fourth proportional to 384,699.24, 530,885.20 and 214,933.36 is: 296,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,699.24 : 530,885.20 = 214,933.36 : x
  2. Step 2: Convert to fraction form
    384,699.24/530,885.20 = 214,933.36/x
  3. Step 3: Cross multiply
    384,699.24x = 530,885.20 × 214,933.36
  4. Step 4: Simplify right side
    384,699.24x = 114,104,939,810.27
  5. Step 5: Solve for x
    x = 114,104,939,810.27/384,699.24
  6. Step 6: Final answer
    x = 296,608.18

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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.