Home / 414,511.40-622,688.70-403,452.20

Finding the Fourth Proportional to 414,511.40, 622,688.70 and 403,452.20

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Solution

The fourth proportional to 414,511.40, 622,688.70 and 403,452.20 is: 606,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,511.40 : 622,688.70 = 403,452.20 : x
  2. Step 2: Convert to fraction form
    414,511.40/622,688.70 = 403,452.20/x
  3. Step 3: Cross multiply
    414,511.40x = 622,688.70 × 403,452.20
  4. Step 4: Simplify right side
    414,511.40x = 251,225,125,930.14
  5. Step 5: Solve for x
    x = 251,225,125,930.14/414,511.40
  6. Step 6: Final answer
    x = 606,075.31

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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.