Home / 854,585.64-1,281,780.54-223,560.36

Finding the Fourth Proportional to 854,585.64, 1,281,780.54 and 223,560.36

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Solution

The fourth proportional to 854,585.64, 1,281,780.54 and 223,560.36 is: 335,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,585.64 : 1,281,780.54 = 223,560.36 : x
  2. Step 2: Convert to fraction form
    854,585.64/1,281,780.54 = 223,560.36/x
  3. Step 3: Cross multiply
    854,585.64x = 1,281,780.54 × 223,560.36
  4. Step 4: Simplify right side
    854,585.64x = 286,555,318,963.39
  5. Step 5: Solve for x
    x = 286,555,318,963.39/854,585.64
  6. Step 6: Final answer
    x = 335,314.92

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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.