Home / 1,590,834-2,195,351.28-875,442

Finding the Fourth Proportional to 1,590,834, 2,195,351.28 and 875,442

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Solution

The fourth proportional to 1,590,834, 2,195,351.28 and 875,442 is: 1,208,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,834 : 2,195,351.28 = 875,442 : x
  2. Step 2: Convert to fraction form
    1,590,834/2,195,351.28 = 875,442/x
  3. Step 3: Cross multiply
    1,590,834x = 2,195,351.28 × 875,442
  4. Step 4: Simplify right side
    1,590,834x = 1,921,902,715,265.76
  5. Step 5: Solve for x
    x = 1,921,902,715,265.76/1,590,834
  6. Step 6: Final answer
    x = 1,208,110.16

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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.