Home / 673,677.80-1,010,516.70-407,957.30

Finding the Fourth Proportional to 673,677.80, 1,010,516.70 and 407,957.30

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Solution

The fourth proportional to 673,677.80, 1,010,516.70 and 407,957.30 is: 611,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,677.80 : 1,010,516.70 = 407,957.30 : x
  2. Step 2: Convert to fraction form
    673,677.80/1,010,516.70 = 407,957.30/x
  3. Step 3: Cross multiply
    673,677.80x = 1,010,516.70 × 407,957.30
  4. Step 4: Simplify right side
    673,677.80x = 412,247,664,536.91
  5. Step 5: Solve for x
    x = 412,247,664,536.91/673,677.80
  6. Step 6: Final answer
    x = 611,935.95

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Double scale
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Similar ratio
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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.