Home / 1,909,821.60-2,864,732.40-579,952.80

Finding the Fourth Proportional to 1,909,821.60, 2,864,732.40 and 579,952.80

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Solution

The fourth proportional to 1,909,821.60, 2,864,732.40 and 579,952.80 is: 869,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,821.60 : 2,864,732.40 = 579,952.80 : x
  2. Step 2: Convert to fraction form
    1,909,821.60/2,864,732.40 = 579,952.80/x
  3. Step 3: Cross multiply
    1,909,821.60x = 2,864,732.40 × 579,952.80
  4. Step 4: Simplify right side
    1,909,821.60x = 1,661,409,576,630.72
  5. Step 5: Solve for x
    x = 1,661,409,576,630.72/1,909,821.60
  6. Step 6: Final answer
    x = 869,929.20

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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.