Home / 674,371.70-1,008,605.10-514,939.40

Finding the Fourth Proportional to 674,371.70, 1,008,605.10 and 514,939.40

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Solution

The fourth proportional to 674,371.70, 1,008,605.10 and 514,939.40 is: 770,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,371.70 : 1,008,605.10 = 514,939.40 : x
  2. Step 2: Convert to fraction form
    674,371.70/1,008,605.10 = 514,939.40/x
  3. Step 3: Cross multiply
    674,371.70x = 1,008,605.10 × 514,939.40
  4. Step 4: Simplify right side
    674,371.70x = 519,370,505,030.94
  5. Step 5: Solve for x
    x = 519,370,505,030.94/674,371.70
  6. Step 6: Final answer
    x = 770,154.66

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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.