Home / 919,215.72-1,267,999.65-551,597.76

Finding the Fourth Proportional to 919,215.72, 1,267,999.65 and 551,597.76

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Solution

The fourth proportional to 919,215.72, 1,267,999.65 and 551,597.76 is: 760,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,215.72 : 1,267,999.65 = 551,597.76 : x
  2. Step 2: Convert to fraction form
    919,215.72/1,267,999.65 = 551,597.76/x
  3. Step 3: Cross multiply
    919,215.72x = 1,267,999.65 × 551,597.76
  4. Step 4: Simplify right side
    919,215.72x = 699,425,766,620.78
  5. Step 5: Solve for x
    x = 699,425,766,620.78/919,215.72
  6. Step 6: Final answer
    x = 760,894.04

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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.