Home / 762,410-1,143,384.60-229,886.48

Finding the Fourth Proportional to 762,410, 1,143,384.60 and 229,886.48

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Solution

The fourth proportional to 762,410, 1,143,384.60 and 229,886.48 is: 344,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,410 : 1,143,384.60 = 229,886.48 : x
  2. Step 2: Convert to fraction form
    762,410/1,143,384.60 = 229,886.48/x
  3. Step 3: Cross multiply
    762,410x = 1,143,384.60 × 229,886.48
  4. Step 4: Simplify right side
    762,410x = 262,848,660,980.21
  5. Step 5: Solve for x
    x = 262,848,660,980.21/762,410
  6. Step 6: Final answer
    x = 344,760.25

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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.