Home / 1,004,120.50-1,385,696.01-551,421.22

Finding the Fourth Proportional to 1,004,120.50, 1,385,696.01 and 551,421.22

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Solution

The fourth proportional to 1,004,120.50, 1,385,696.01 and 551,421.22 is: 760,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,120.50 : 1,385,696.01 = 551,421.22 : x
  2. Step 2: Convert to fraction form
    1,004,120.50/1,385,696.01 = 551,421.22/x
  3. Step 3: Cross multiply
    1,004,120.50x = 1,385,696.01 × 551,421.22
  4. Step 4: Simplify right side
    1,004,120.50x = 764,102,184,383.33
  5. Step 5: Solve for x
    x = 764,102,184,383.33/1,004,120.50
  6. Step 6: Final answer
    x = 760,966.62

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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.