Home / 389,004.16-536,973.32-261,753.56

Finding the Fourth Proportional to 389,004.16, 536,973.32 and 261,753.56

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Solution

The fourth proportional to 389,004.16, 536,973.32 and 261,753.56 is: 361,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,004.16 : 536,973.32 = 261,753.56 : x
  2. Step 2: Convert to fraction form
    389,004.16/536,973.32 = 261,753.56/x
  3. Step 3: Cross multiply
    389,004.16x = 536,973.32 × 261,753.56
  4. Step 4: Simplify right side
    389,004.16x = 140,554,678,135.02
  5. Step 5: Solve for x
    x = 140,554,678,135.02/389,004.16
  6. Step 6: Final answer
    x = 361,319.22

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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.