Home / 578,973.20-868,418.18-179,603.60

Finding the Fourth Proportional to 578,973.20, 868,418.18 and 179,603.60

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Solution

The fourth proportional to 578,973.20, 868,418.18 and 179,603.60 is: 269,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,973.20 : 868,418.18 = 179,603.60 : x
  2. Step 2: Convert to fraction form
    578,973.20/868,418.18 = 179,603.60/x
  3. Step 3: Cross multiply
    578,973.20x = 868,418.18 × 179,603.60
  4. Step 4: Simplify right side
    578,973.20x = 155,971,031,433.45
  5. Step 5: Solve for x
    x = 155,971,031,433.45/578,973.20
  6. Step 6: Final answer
    x = 269,392.49

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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.