Home / 1,927,580.36-2,891,513.90-579,635.06

Finding the Fourth Proportional to 1,927,580.36, 2,891,513.90 and 579,635.06

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Solution

The fourth proportional to 1,927,580.36, 2,891,513.90 and 579,635.06 is: 869,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,580.36 : 2,891,513.90 = 579,635.06 : x
  2. Step 2: Convert to fraction form
    1,927,580.36/2,891,513.90 = 579,635.06/x
  3. Step 3: Cross multiply
    1,927,580.36x = 2,891,513.90 × 579,635.06
  4. Step 4: Simplify right side
    1,927,580.36x = 1,676,022,819,908.85
  5. Step 5: Solve for x
    x = 1,676,022,819,908.85/1,927,580.36
  6. Step 6: Final answer
    x = 869,495.69

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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.