Home / 834,558.45-1,151,569.44-467,033.79

Finding the Fourth Proportional to 834,558.45, 1,151,569.44 and 467,033.79

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Solution

The fourth proportional to 834,558.45, 1,151,569.44 and 467,033.79 is: 644,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,558.45 : 1,151,569.44 = 467,033.79 : x
  2. Step 2: Convert to fraction form
    834,558.45/1,151,569.44 = 467,033.79/x
  3. Step 3: Cross multiply
    834,558.45x = 1,151,569.44 × 467,033.79
  4. Step 4: Simplify right side
    834,558.45x = 537,821,840,011.38
  5. Step 5: Solve for x
    x = 537,821,840,011.38/834,558.45
  6. Step 6: Final answer
    x = 644,438.79

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Half scale
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Double scale
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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.