Home / 578,209.60-867,314.40-223,235.20

Finding the Fourth Proportional to 578,209.60, 867,314.40 and 223,235.20

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Solution

The fourth proportional to 578,209.60, 867,314.40 and 223,235.20 is: 334,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,209.60 : 867,314.40 = 223,235.20 : x
  2. Step 2: Convert to fraction form
    578,209.60/867,314.40 = 223,235.20/x
  3. Step 3: Cross multiply
    578,209.60x = 867,314.40 × 223,235.20
  4. Step 4: Simplify right side
    578,209.60x = 193,615,103,546.88
  5. Step 5: Solve for x
    x = 193,615,103,546.88/578,209.60
  6. Step 6: Final answer
    x = 334,852.80

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Half scale
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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.