Home / 1,778,315.61-2,666,131.88-579,522.09

Finding the Fourth Proportional to 1,778,315.61, 2,666,131.88 and 579,522.09

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Solution

The fourth proportional to 1,778,315.61, 2,666,131.88 and 579,522.09 is: 868,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,315.61 : 2,666,131.88 = 579,522.09 : x
  2. Step 2: Convert to fraction form
    1,778,315.61/2,666,131.88 = 579,522.09/x
  3. Step 3: Cross multiply
    1,778,315.61x = 2,666,131.88 × 579,522.09
  4. Step 4: Simplify right side
    1,778,315.61x = 1,545,082,316,415.62
  5. Step 5: Solve for x
    x = 1,545,082,316,415.62/1,778,315.61
  6. Step 6: Final answer
    x = 868,845.95

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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.