Home / 736,072.84-1,015,711.86-413,754.76

Finding the Fourth Proportional to 736,072.84, 1,015,711.86 and 413,754.76

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Solution

The fourth proportional to 736,072.84, 1,015,711.86 and 413,754.76 is: 570,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,072.84 : 1,015,711.86 = 413,754.76 : x
  2. Step 2: Convert to fraction form
    736,072.84/1,015,711.86 = 413,754.76/x
  3. Step 3: Cross multiply
    736,072.84x = 1,015,711.86 × 413,754.76
  4. Step 4: Simplify right side
    736,072.84x = 420,255,616,863.45
  5. Step 5: Solve for x
    x = 420,255,616,863.45/736,072.84
  6. Step 6: Final answer
    x = 570,942.97

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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.