Home / 798,423.40-1,197,635.10-745,546.60

Finding the Fourth Proportional to 798,423.40, 1,197,635.10 and 745,546.60

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Solution

The fourth proportional to 798,423.40, 1,197,635.10 and 745,546.60 is: 1,118,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,423.40 : 1,197,635.10 = 745,546.60 : x
  2. Step 2: Convert to fraction form
    798,423.40/1,197,635.10 = 745,546.60/x
  3. Step 3: Cross multiply
    798,423.40x = 1,197,635.10 × 745,546.60
  4. Step 4: Simplify right side
    798,423.40x = 892,892,776,845.66
  5. Step 5: Solve for x
    x = 892,892,776,845.66/798,423.40
  6. Step 6: Final answer
    x = 1,118,319.90

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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.