Home / 578,039.60-867,059.40-223,065.20

Finding the Fourth Proportional to 578,039.60, 867,059.40 and 223,065.20

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Solution

The fourth proportional to 578,039.60, 867,059.40 and 223,065.20 is: 334,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,039.60 : 867,059.40 = 223,065.20 : x
  2. Step 2: Convert to fraction form
    578,039.60/867,059.40 = 223,065.20/x
  3. Step 3: Cross multiply
    578,039.60x = 867,059.40 × 223,065.20
  4. Step 4: Simplify right side
    578,039.60x = 193,410,778,472.88
  5. Step 5: Solve for x
    x = 193,410,778,472.88/578,039.60
  6. Step 6: Final answer
    x = 334,597.80

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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.