Home / 854,578.40-1,281,867.60-535,713.80

Finding the Fourth Proportional to 854,578.40, 1,281,867.60 and 535,713.80

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Solution

The fourth proportional to 854,578.40, 1,281,867.60 and 535,713.80 is: 803,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,578.40 : 1,281,867.60 = 535,713.80 : x
  2. Step 2: Convert to fraction form
    854,578.40/1,281,867.60 = 535,713.80/x
  3. Step 3: Cross multiply
    854,578.40x = 1,281,867.60 × 535,713.80
  4. Step 4: Simplify right side
    854,578.40x = 686,714,163,092.88
  5. Step 5: Solve for x
    x = 686,714,163,092.88/854,578.40
  6. Step 6: Final answer
    x = 803,570.70

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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.