Home / 757,938.08-1,045,927.14-418,399.04

Finding the Fourth Proportional to 757,938.08, 1,045,927.14 and 418,399.04

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Solution

The fourth proportional to 757,938.08, 1,045,927.14 and 418,399.04 is: 577,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,938.08 : 1,045,927.14 = 418,399.04 : x
  2. Step 2: Convert to fraction form
    757,938.08/1,045,927.14 = 418,399.04/x
  3. Step 3: Cross multiply
    757,938.08x = 1,045,927.14 × 418,399.04
  4. Step 4: Simplify right side
    757,938.08x = 437,614,911,285.95
  5. Step 5: Solve for x
    x = 437,614,911,285.95/757,938.08
  6. Step 6: Final answer
    x = 577,375.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.