Home / 1,123,604.73-1,685,575.17-413,578.71

Finding the Fourth Proportional to 1,123,604.73, 1,685,575.17 and 413,578.71

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Solution

The fourth proportional to 1,123,604.73, 1,685,575.17 and 413,578.71 is: 620,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,604.73 : 1,685,575.17 = 413,578.71 : x
  2. Step 2: Convert to fraction form
    1,123,604.73/1,685,575.17 = 413,578.71/x
  3. Step 3: Cross multiply
    1,123,604.73x = 1,685,575.17 × 413,578.71
  4. Step 4: Simplify right side
    1,123,604.73x = 697,118,004,416.63
  5. Step 5: Solve for x
    x = 697,118,004,416.63/1,123,604.73
  6. Step 6: Final answer
    x = 620,429.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.