Home / 424,741.56-637,216.02-129,253.56

Finding the Fourth Proportional to 424,741.56, 637,216.02 and 129,253.56

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Solution

The fourth proportional to 424,741.56, 637,216.02 and 129,253.56 is: 193,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,741.56 : 637,216.02 = 129,253.56 : x
  2. Step 2: Convert to fraction form
    424,741.56/637,216.02 = 129,253.56/x
  3. Step 3: Cross multiply
    424,741.56x = 637,216.02 × 129,253.56
  4. Step 4: Simplify right side
    424,741.56x = 82,362,439,074.03
  5. Step 5: Solve for x
    x = 82,362,439,074.03/424,741.56
  6. Step 6: Final answer
    x = 193,911.89

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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.