Home / 1,512,668.52-2,087,483.00-824,340.57

Finding the Fourth Proportional to 1,512,668.52, 2,087,483.00 and 824,340.57

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Solution

The fourth proportional to 1,512,668.52, 2,087,483.00 and 824,340.57 is: 1,137,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,668.52 : 2,087,483.00 = 824,340.57 : x
  2. Step 2: Convert to fraction form
    1,512,668.52/2,087,483.00 = 824,340.57/x
  3. Step 3: Cross multiply
    1,512,668.52x = 2,087,483.00 × 824,340.57
  4. Step 4: Simplify right side
    1,512,668.52x = 1,720,796,918,049.58
  5. Step 5: Solve for x
    x = 1,720,796,918,049.58/1,512,668.52
  6. Step 6: Final answer
    x = 1,137,590.22

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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.