Home / 1,927,896.69-2,891,262.13-579,701.41

Finding the Fourth Proportional to 1,927,896.69, 2,891,262.13 and 579,701.41

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Solution

The fourth proportional to 1,927,896.69, 2,891,262.13 and 579,701.41 is: 869,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,896.69 : 2,891,262.13 = 579,701.41 : x
  2. Step 2: Convert to fraction form
    1,927,896.69/2,891,262.13 = 579,701.41/x
  3. Step 3: Cross multiply
    1,927,896.69x = 2,891,262.13 × 579,701.41
  4. Step 4: Simplify right side
    1,927,896.69x = 1,676,068,724,763.19
  5. Step 5: Solve for x
    x = 1,676,068,724,763.19/1,927,896.69
  6. Step 6: Final answer
    x = 869,376.83

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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.