Home / 876,422.04-1,315,095.91-621,899.27

Finding the Fourth Proportional to 876,422.04, 1,315,095.91 and 621,899.27

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Solution

The fourth proportional to 876,422.04, 1,315,095.91 and 621,899.27 is: 933,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,422.04 : 1,315,095.91 = 621,899.27 : x
  2. Step 2: Convert to fraction form
    876,422.04/1,315,095.91 = 621,899.27/x
  3. Step 3: Cross multiply
    876,422.04x = 1,315,095.91 × 621,899.27
  4. Step 4: Simplify right side
    876,422.04x = 817,857,186,408.99
  5. Step 5: Solve for x
    x = 817,857,186,408.99/876,422.04
  6. Step 6: Final answer
    x = 933,177.34

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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.