Home / 1,512,324.18-2,086,981.09-824,001.69

Finding the Fourth Proportional to 1,512,324.18, 2,086,981.09 and 824,001.69

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Solution

The fourth proportional to 1,512,324.18, 2,086,981.09 and 824,001.69 is: 1,137,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,324.18 : 2,086,981.09 = 824,001.69 : x
  2. Step 2: Convert to fraction form
    1,512,324.18/2,086,981.09 = 824,001.69/x
  3. Step 3: Cross multiply
    1,512,324.18x = 2,086,981.09 × 824,001.69
  4. Step 4: Simplify right side
    1,512,324.18x = 1,719,675,949,947.17
  5. Step 5: Solve for x
    x = 1,719,675,949,947.17/1,512,324.18
  6. Step 6: Final answer
    x = 1,137,108.02

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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.