Home / 699,401.07-1,049,101.54-462,688.36

Finding the Fourth Proportional to 699,401.07, 1,049,101.54 and 462,688.36

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Solution

The fourth proportional to 699,401.07, 1,049,101.54 and 462,688.36 is: 694,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,401.07 : 1,049,101.54 = 462,688.36 : x
  2. Step 2: Convert to fraction form
    699,401.07/1,049,101.54 = 462,688.36/x
  3. Step 3: Cross multiply
    699,401.07x = 1,049,101.54 × 462,688.36
  4. Step 4: Simplify right side
    699,401.07x = 485,407,067,236.60
  5. Step 5: Solve for x
    x = 485,407,067,236.60/699,401.07
  6. Step 6: Final answer
    x = 694,032.49

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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.