Home / 578,259.58-868,185.34-294,142.40

Finding the Fourth Proportional to 578,259.58, 868,185.34 and 294,142.40

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Solution

The fourth proportional to 578,259.58, 868,185.34 and 294,142.40 is: 441,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,259.58 : 868,185.34 = 294,142.40 : x
  2. Step 2: Convert to fraction form
    578,259.58/868,185.34 = 294,142.40/x
  3. Step 3: Cross multiply
    578,259.58x = 868,185.34 × 294,142.40
  4. Step 4: Simplify right side
    578,259.58x = 255,370,115,211.49
  5. Step 5: Solve for x
    x = 255,370,115,211.49/578,259.58
  6. Step 6: Final answer
    x = 441,618.48

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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.