Home / 1,256,436.77-1,885,452.26-536,783.89

Finding the Fourth Proportional to 1,256,436.77, 1,885,452.26 and 536,783.89

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Solution

The fourth proportional to 1,256,436.77, 1,885,452.26 and 536,783.89 is: 805,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,436.77 : 1,885,452.26 = 536,783.89 : x
  2. Step 2: Convert to fraction form
    1,256,436.77/1,885,452.26 = 536,783.89/x
  3. Step 3: Cross multiply
    1,256,436.77x = 1,885,452.26 × 536,783.89
  4. Step 4: Simplify right side
    1,256,436.77x = 1,012,080,398,532.09
  5. Step 5: Solve for x
    x = 1,012,080,398,532.09/1,256,436.77
  6. Step 6: Final answer
    x = 805,516.38

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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.