Home / 1,927,120.41-2,890,682.91-579,283.11

Finding the Fourth Proportional to 1,927,120.41, 2,890,682.91 and 579,283.11

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Solution

The fourth proportional to 1,927,120.41, 2,890,682.91 and 579,283.11 is: 868,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,120.41 : 2,890,682.91 = 579,283.11 : x
  2. Step 2: Convert to fraction form
    1,927,120.41/2,890,682.91 = 579,283.11/x
  3. Step 3: Cross multiply
    1,927,120.41x = 2,890,682.91 × 579,283.11
  4. Step 4: Simplify right side
    1,927,120.41x = 1,674,523,786,128.65
  5. Step 5: Solve for x
    x = 1,674,523,786,128.65/1,927,120.41
  6. Step 6: Final answer
    x = 868,925.35

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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.