Home / 919,214.72-1,267,998.27-551,596.76

Finding the Fourth Proportional to 919,214.72, 1,267,998.27 and 551,596.76

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Solution

The fourth proportional to 919,214.72, 1,267,998.27 and 551,596.76 is: 760,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,214.72 : 1,267,998.27 = 551,596.76 : x
  2. Step 2: Convert to fraction form
    919,214.72/1,267,998.27 = 551,596.76/x
  3. Step 3: Cross multiply
    919,214.72x = 1,267,998.27 × 551,596.76
  4. Step 4: Simplify right side
    919,214.72x = 699,423,738,519.11
  5. Step 5: Solve for x
    x = 699,423,738,519.11/919,214.72
  6. Step 6: Final answer
    x = 760,892.66

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Double scale
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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.