Home / 578,033.60-867,050.40-329,201.60

Finding the Fourth Proportional to 578,033.60, 867,050.40 and 329,201.60

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Solution

The fourth proportional to 578,033.60, 867,050.40 and 329,201.60 is: 493,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,033.60 : 867,050.40 = 329,201.60 : x
  2. Step 2: Convert to fraction form
    578,033.60/867,050.40 = 329,201.60/x
  3. Step 3: Cross multiply
    578,033.60x = 867,050.40 × 329,201.60
  4. Step 4: Simplify right side
    578,033.60x = 285,434,378,960.64
  5. Step 5: Solve for x
    x = 285,434,378,960.64/578,033.60
  6. Step 6: Final answer
    x = 493,802.40

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Double scale
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Similar ratio
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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.