Home / 1,171,534.79-1,755,484.39-812,406.11

Finding the Fourth Proportional to 1,171,534.79, 1,755,484.39 and 812,406.11

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Solution

The fourth proportional to 1,171,534.79, 1,755,484.39 and 812,406.11 is: 1,217,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,534.79 : 1,755,484.39 = 812,406.11 : x
  2. Step 2: Convert to fraction form
    1,171,534.79/1,755,484.39 = 812,406.11/x
  3. Step 3: Cross multiply
    1,171,534.79x = 1,755,484.39 × 812,406.11
  4. Step 4: Simplify right side
    1,171,534.79x = 1,426,166,233,637.19
  5. Step 5: Solve for x
    x = 1,426,166,233,637.19/1,171,534.79
  6. Step 6: Final answer
    x = 1,217,348.59

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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.