Home / 696,808.40-1,043,657.40-538,523.60

Finding the Fourth Proportional to 696,808.40, 1,043,657.40 and 538,523.60

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Solution

The fourth proportional to 696,808.40, 1,043,657.40 and 538,523.60 is: 806,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,808.40 : 1,043,657.40 = 538,523.60 : x
  2. Step 2: Convert to fraction form
    696,808.40/1,043,657.40 = 538,523.60/x
  3. Step 3: Cross multiply
    696,808.40x = 1,043,657.40 × 538,523.60
  4. Step 4: Simplify right side
    696,808.40x = 562,034,140,214.64
  5. Step 5: Solve for x
    x = 562,034,140,214.64/696,808.40
  6. Step 6: Final answer
    x = 806,583.47

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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.