Home / 1,909,817.60-2,864,726.40-579,948.80

Finding the Fourth Proportional to 1,909,817.60, 2,864,726.40 and 579,948.80

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Solution

The fourth proportional to 1,909,817.60, 2,864,726.40 and 579,948.80 is: 869,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,817.60 : 2,864,726.40 = 579,948.80 : x
  2. Step 2: Convert to fraction form
    1,909,817.60/2,864,726.40 = 579,948.80/x
  3. Step 3: Cross multiply
    1,909,817.60x = 2,864,726.40 × 579,948.80
  4. Step 4: Simplify right side
    1,909,817.60x = 1,661,394,638,008.32
  5. Step 5: Solve for x
    x = 1,661,394,638,008.32/1,909,817.60
  6. Step 6: Final answer
    x = 869,923.20

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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.