Home / 389,004.16-536,827.20-245,827.84

Finding the Fourth Proportional to 389,004.16, 536,827.20 and 245,827.84

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Solution

The fourth proportional to 389,004.16, 536,827.20 and 245,827.84 is: 339,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,004.16 : 536,827.20 = 245,827.84 : x
  2. Step 2: Convert to fraction form
    389,004.16/536,827.20 = 245,827.84/x
  3. Step 3: Cross multiply
    389,004.16x = 536,827.20 × 245,827.84
  4. Step 4: Simplify right side
    389,004.16x = 131,967,071,029.25
  5. Step 5: Solve for x
    x = 131,967,071,029.25/389,004.16
  6. Step 6: Final answer
    x = 339,243.34

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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.