Home / 578,172.40-867,253.72-451,918.84

Finding the Fourth Proportional to 578,172.40, 867,253.72 and 451,918.84

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Solution

The fourth proportional to 578,172.40, 867,253.72 and 451,918.84 is: 677,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,172.40 : 867,253.72 = 451,918.84 : x
  2. Step 2: Convert to fraction form
    578,172.40/867,253.72 = 451,918.84/x
  3. Step 3: Cross multiply
    578,172.40x = 867,253.72 × 451,918.84
  4. Step 4: Simplify right side
    578,172.40x = 391,928,295,128.09
  5. Step 5: Solve for x
    x = 391,928,295,128.09/578,172.40
  6. Step 6: Final answer
    x = 677,874.45

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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.