Home / 1,091,072.76-1,636,609.04-417,222.22

Finding the Fourth Proportional to 1,091,072.76, 1,636,609.04 and 417,222.22

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Solution

The fourth proportional to 1,091,072.76, 1,636,609.04 and 417,222.22 is: 625,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,072.76 : 1,636,609.04 = 417,222.22 : x
  2. Step 2: Convert to fraction form
    1,091,072.76/1,636,609.04 = 417,222.22/x
  3. Step 3: Cross multiply
    1,091,072.76x = 1,636,609.04 × 417,222.22
  4. Step 4: Simplify right side
    1,091,072.76x = 682,829,656,940.87
  5. Step 5: Solve for x
    x = 682,829,656,940.87/1,091,072.76
  6. Step 6: Final answer
    x = 625,833.29

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Double scale
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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.