Home / 1,272,098.58-1,908,138.14-325,467.78

Finding the Fourth Proportional to 1,272,098.58, 1,908,138.14 and 325,467.78

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Solution

The fourth proportional to 1,272,098.58, 1,908,138.14 and 325,467.78 is: 488,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,098.58 : 1,908,138.14 = 325,467.78 : x
  2. Step 2: Convert to fraction form
    1,272,098.58/1,908,138.14 = 325,467.78/x
  3. Step 3: Cross multiply
    1,272,098.58x = 1,908,138.14 × 325,467.78
  4. Step 4: Simplify right side
    1,272,098.58x = 621,037,473,191.10
  5. Step 5: Solve for x
    x = 621,037,473,191.10/1,272,098.58
  6. Step 6: Final answer
    x = 488,199.17

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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.