Home / 1,256,433.77-1,885,447.76-536,780.89

Finding the Fourth Proportional to 1,256,433.77, 1,885,447.76 and 536,780.89

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Solution

The fourth proportional to 1,256,433.77, 1,885,447.76 and 536,780.89 is: 805,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,433.77 : 1,885,447.76 = 536,780.89 : x
  2. Step 2: Convert to fraction form
    1,256,433.77/1,885,447.76 = 536,780.89/x
  3. Step 3: Cross multiply
    1,256,433.77x = 1,885,447.76 × 536,780.89
  4. Step 4: Simplify right side
    1,256,433.77x = 1,012,072,326,661.31
  5. Step 5: Solve for x
    x = 1,012,072,326,661.31/1,256,433.77
  6. Step 6: Final answer
    x = 805,511.88

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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.