Home / 790,809.60-1,186,214.40-364,344.60

Finding the Fourth Proportional to 790,809.60, 1,186,214.40 and 364,344.60

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Solution

The fourth proportional to 790,809.60, 1,186,214.40 and 364,344.60 is: 546,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,809.60 : 1,186,214.40 = 364,344.60 : x
  2. Step 2: Convert to fraction form
    790,809.60/1,186,214.40 = 364,344.60/x
  3. Step 3: Cross multiply
    790,809.60x = 1,186,214.40 × 364,344.60
  4. Step 4: Simplify right side
    790,809.60x = 432,190,811,082.24
  5. Step 5: Solve for x
    x = 432,190,811,082.24/790,809.60
  6. Step 6: Final answer
    x = 546,516.90

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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.