Home / 884,118.88-1,220,187.77-496,934.83

Finding the Fourth Proportional to 884,118.88, 1,220,187.77 and 496,934.83

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Solution

The fourth proportional to 884,118.88, 1,220,187.77 and 496,934.83 is: 685,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,118.88 : 1,220,187.77 = 496,934.83 : x
  2. Step 2: Convert to fraction form
    884,118.88/1,220,187.77 = 496,934.83/x
  3. Step 3: Cross multiply
    884,118.88x = 1,220,187.77 × 496,934.83
  4. Step 4: Simplify right side
    884,118.88x = 606,353,802,053.03
  5. Step 5: Solve for x
    x = 606,353,802,053.03/884,118.88
  6. Step 6: Final answer
    x = 685,828.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.