Home / 1,512,668.05-2,087,482.34-824,340.11

Finding the Fourth Proportional to 1,512,668.05, 2,087,482.34 and 824,340.11

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Solution

The fourth proportional to 1,512,668.05, 2,087,482.34 and 824,340.11 is: 1,137,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,668.05 : 2,087,482.34 = 824,340.11 : x
  2. Step 2: Convert to fraction form
    1,512,668.05/2,087,482.34 = 824,340.11/x
  3. Step 3: Cross multiply
    1,512,668.05x = 2,087,482.34 × 824,340.11
  4. Step 4: Simplify right side
    1,512,668.05x = 1,720,795,413,402.10
  5. Step 5: Solve for x
    x = 1,720,795,413,402.10/1,512,668.05
  6. Step 6: Final answer
    x = 1,137,589.58

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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.