Home / 578,051.60-867,077.40-223,077.20

Finding the Fourth Proportional to 578,051.60, 867,077.40 and 223,077.20

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Solution

The fourth proportional to 578,051.60, 867,077.40 and 223,077.20 is: 334,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,051.60 : 867,077.40 = 223,077.20 : x
  2. Step 2: Convert to fraction form
    578,051.60/867,077.40 = 223,077.20/x
  3. Step 3: Cross multiply
    578,051.60x = 867,077.40 × 223,077.20
  4. Step 4: Simplify right side
    578,051.60x = 193,425,198,575.28
  5. Step 5: Solve for x
    x = 193,425,198,575.28/578,051.60
  6. Step 6: Final answer
    x = 334,615.80

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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.