Home / 1,521,892.83-2,100,207.56-859,532.20

Finding the Fourth Proportional to 1,521,892.83, 2,100,207.56 and 859,532.20

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Solution

The fourth proportional to 1,521,892.83, 2,100,207.56 and 859,532.20 is: 1,186,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,892.83 : 2,100,207.56 = 859,532.20 : x
  2. Step 2: Convert to fraction form
    1,521,892.83/2,100,207.56 = 859,532.20/x
  3. Step 3: Cross multiply
    1,521,892.83x = 2,100,207.56 × 859,532.20
  4. Step 4: Simplify right side
    1,521,892.83x = 1,805,196,026,768.92
  5. Step 5: Solve for x
    x = 1,805,196,026,768.92/1,521,892.83
  6. Step 6: Final answer
    x = 1,186,151.87

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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.