Home / 1,005,996.87-1,388,285.01-547,115.79

Finding the Fourth Proportional to 1,005,996.87, 1,388,285.01 and 547,115.79

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Solution

The fourth proportional to 1,005,996.87, 1,388,285.01 and 547,115.79 is: 755,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,996.87 : 1,388,285.01 = 547,115.79 : x
  2. Step 2: Convert to fraction form
    1,005,996.87/1,388,285.01 = 547,115.79/x
  3. Step 3: Cross multiply
    1,005,996.87x = 1,388,285.01 × 547,115.79
  4. Step 4: Simplify right side
    1,005,996.87x = 759,552,649,991.31
  5. Step 5: Solve for x
    x = 759,552,649,991.31/1,005,996.87
  6. Step 6: Final answer
    x = 755,024.86

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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.