Home / 769,484.27-1,154,224.08-540,838.55

Finding the Fourth Proportional to 769,484.27, 1,154,224.08 and 540,838.55

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Solution

The fourth proportional to 769,484.27, 1,154,224.08 and 540,838.55 is: 811,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,484.27 : 1,154,224.08 = 540,838.55 : x
  2. Step 2: Convert to fraction form
    769,484.27/1,154,224.08 = 540,838.55/x
  3. Step 3: Cross multiply
    769,484.27x = 1,154,224.08 × 540,838.55
  4. Step 4: Simplify right side
    769,484.27x = 624,248,880,687.84
  5. Step 5: Solve for x
    x = 624,248,880,687.84/769,484.27
  6. Step 6: Final answer
    x = 811,256.19

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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.