Home / 1,512,968.37-2,087,882.85-824,640.19

Finding the Fourth Proportional to 1,512,968.37, 2,087,882.85 and 824,640.19

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Solution

The fourth proportional to 1,512,968.37, 2,087,882.85 and 824,640.19 is: 1,137,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,968.37 : 2,087,882.85 = 824,640.19 : x
  2. Step 2: Convert to fraction form
    1,512,968.37/2,087,882.85 = 824,640.19/x
  3. Step 3: Cross multiply
    1,512,968.37x = 2,087,882.85 × 824,640.19
  4. Step 4: Simplify right side
    1,512,968.37x = 1,721,752,101,809.63
  5. Step 5: Solve for x
    x = 1,721,752,101,809.63/1,512,968.37
  6. Step 6: Final answer
    x = 1,137,996.10

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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.