Home / 1,909,080-2,863,637.28-579,384

Finding the Fourth Proportional to 1,909,080, 2,863,637.28 and 579,384

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Solution

The fourth proportional to 1,909,080, 2,863,637.28 and 579,384 is: 869,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,080 : 2,863,637.28 = 579,384 : x
  2. Step 2: Convert to fraction form
    1,909,080/2,863,637.28 = 579,384/x
  3. Step 3: Cross multiply
    1,909,080x = 2,863,637.28 × 579,384
  4. Step 4: Simplify right side
    1,909,080x = 1,659,145,621,835.52
  5. Step 5: Solve for x
    x = 1,659,145,621,835.52/1,909,080
  6. Step 6: Final answer
    x = 869,081.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.