Home / 757,306.22-1,045,065.76-417,774.38

Finding the Fourth Proportional to 757,306.22, 1,045,065.76 and 417,774.38

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Solution

The fourth proportional to 757,306.22, 1,045,065.76 and 417,774.38 is: 576,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,306.22 : 1,045,065.76 = 417,774.38 : x
  2. Step 2: Convert to fraction form
    757,306.22/1,045,065.76 = 417,774.38/x
  3. Step 3: Cross multiply
    757,306.22x = 1,045,065.76 × 417,774.38
  4. Step 4: Simplify right side
    757,306.22x = 436,601,693,673.46
  5. Step 5: Solve for x
    x = 436,601,693,673.46/757,306.22
  6. Step 6: Final answer
    x = 576,519.36

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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.