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Finding the Fourth Proportional to 839,917.80, 1,159,092 and 457,950.96

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Solution

The fourth proportional to 839,917.80, 1,159,092 and 457,950.96 is: 631,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,917.80 : 1,159,092 = 457,950.96 : x
  2. Step 2: Convert to fraction form
    839,917.80/1,159,092 = 457,950.96/x
  3. Step 3: Cross multiply
    839,917.80x = 1,159,092 × 457,950.96
  4. Step 4: Simplify right side
    839,917.80x = 530,807,294,128.32
  5. Step 5: Solve for x
    x = 530,807,294,128.32/839,917.80
  6. Step 6: Final answer
    x = 631,975.29

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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.