Home / 864,818.40-1,193,451.71-482,858.85

Finding the Fourth Proportional to 864,818.40, 1,193,451.71 and 482,858.85

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Solution

The fourth proportional to 864,818.40, 1,193,451.71 and 482,858.85 is: 666,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,818.40 : 1,193,451.71 = 482,858.85 : x
  2. Step 2: Convert to fraction form
    864,818.40/1,193,451.71 = 482,858.85/x
  3. Step 3: Cross multiply
    864,818.40x = 1,193,451.71 × 482,858.85
  4. Step 4: Simplify right side
    864,818.40x = 576,268,717,806.84
  5. Step 5: Solve for x
    x = 576,268,717,806.84/864,818.40
  6. Step 6: Final answer
    x = 666,346.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.