Home / 757,471.42-1,045,332.39-417,961.54

Finding the Fourth Proportional to 757,471.42, 1,045,332.39 and 417,961.54

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Solution

The fourth proportional to 757,471.42, 1,045,332.39 and 417,961.54 is: 576,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,471.42 : 1,045,332.39 = 417,961.54 : x
  2. Step 2: Convert to fraction form
    757,471.42/1,045,332.39 = 417,961.54/x
  3. Step 3: Cross multiply
    757,471.42x = 1,045,332.39 × 417,961.54
  4. Step 4: Simplify right side
    757,471.42x = 436,908,735,536.28
  5. Step 5: Solve for x
    x = 436,908,735,536.28/757,471.42
  6. Step 6: Final answer
    x = 576,798.97

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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.