Home / 885,763.60-1,328,645.40-619,824.40

Finding the Fourth Proportional to 885,763.60, 1,328,645.40 and 619,824.40

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Solution

The fourth proportional to 885,763.60, 1,328,645.40 and 619,824.40 is: 929,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,763.60 : 1,328,645.40 = 619,824.40 : x
  2. Step 2: Convert to fraction form
    885,763.60/1,328,645.40 = 619,824.40/x
  3. Step 3: Cross multiply
    885,763.60x = 1,328,645.40 × 619,824.40
  4. Step 4: Simplify right side
    885,763.60x = 823,526,837,867.76
  5. Step 5: Solve for x
    x = 823,526,837,867.76/885,763.60
  6. Step 6: Final answer
    x = 929,736.60

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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.