Home / 682,711.57-1,018,876.17-607,045.51

Finding the Fourth Proportional to 682,711.57, 1,018,876.17 and 607,045.51

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Solution

The fourth proportional to 682,711.57, 1,018,876.17 and 607,045.51 is: 905,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,711.57 : 1,018,876.17 = 607,045.51 : x
  2. Step 2: Convert to fraction form
    682,711.57/1,018,876.17 = 607,045.51/x
  3. Step 3: Cross multiply
    682,711.57x = 1,018,876.17 × 607,045.51
  4. Step 4: Simplify right side
    682,711.57x = 618,504,196,114.89
  5. Step 5: Solve for x
    x = 618,504,196,114.89/682,711.57
  6. Step 6: Final answer
    x = 905,952.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.