Home / 885,271.06-1,221,768.68-541,308.58

Finding the Fourth Proportional to 885,271.06, 1,221,768.68 and 541,308.58

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Solution

The fourth proportional to 885,271.06, 1,221,768.68 and 541,308.58 is: 747,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,271.06 : 1,221,768.68 = 541,308.58 : x
  2. Step 2: Convert to fraction form
    885,271.06/1,221,768.68 = 541,308.58/x
  3. Step 3: Cross multiply
    885,271.06x = 1,221,768.68 × 541,308.58
  4. Step 4: Simplify right side
    885,271.06x = 661,353,869,259.27
  5. Step 5: Solve for x
    x = 661,353,869,259.27/885,271.06
  6. Step 6: Final answer
    x = 747,063.70

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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.