Home / 915,091.20-1,372,636.80-596,226.60

Finding the Fourth Proportional to 915,091.20, 1,372,636.80 and 596,226.60

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Solution

The fourth proportional to 915,091.20, 1,372,636.80 and 596,226.60 is: 894,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,091.20 : 1,372,636.80 = 596,226.60 : x
  2. Step 2: Convert to fraction form
    915,091.20/1,372,636.80 = 596,226.60/x
  3. Step 3: Cross multiply
    915,091.20x = 1,372,636.80 × 596,226.60
  4. Step 4: Simplify right side
    915,091.20x = 818,402,572,298.88
  5. Step 5: Solve for x
    x = 818,402,572,298.88/915,091.20
  6. Step 6: Final answer
    x = 894,339.90

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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.