Home / 837,455.56-1,256,153.64-238,419.88

Finding the Fourth Proportional to 837,455.56, 1,256,153.64 and 238,419.88

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Solution

The fourth proportional to 837,455.56, 1,256,153.64 and 238,419.88 is: 357,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,455.56 : 1,256,153.64 = 238,419.88 : x
  2. Step 2: Convert to fraction form
    837,455.56/1,256,153.64 = 238,419.88/x
  3. Step 3: Cross multiply
    837,455.56x = 1,256,153.64 × 238,419.88
  4. Step 4: Simplify right side
    837,455.56x = 299,492,000,110.36
  5. Step 5: Solve for x
    x = 299,492,000,110.36/837,455.56
  6. Step 6: Final answer
    x = 357,621.36

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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.