Home / 854,594.40-1,281,891.60-535,729.80

Finding the Fourth Proportional to 854,594.40, 1,281,891.60 and 535,729.80

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Solution

The fourth proportional to 854,594.40, 1,281,891.60 and 535,729.80 is: 803,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,594.40 : 1,281,891.60 = 535,729.80 : x
  2. Step 2: Convert to fraction form
    854,594.40/1,281,891.60 = 535,729.80/x
  3. Step 3: Cross multiply
    854,594.40x = 1,281,891.60 × 535,729.80
  4. Step 4: Simplify right side
    854,594.40x = 686,747,530,489.68
  5. Step 5: Solve for x
    x = 686,747,530,489.68/854,594.40
  6. Step 6: Final answer
    x = 803,594.70

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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.