Home / 1,109,105.28-1,530,569.89-599,807.66

Finding the Fourth Proportional to 1,109,105.28, 1,530,569.89 and 599,807.66

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Solution

The fourth proportional to 1,109,105.28, 1,530,569.89 and 599,807.66 is: 827,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,105.28 : 1,530,569.89 = 599,807.66 : x
  2. Step 2: Convert to fraction form
    1,109,105.28/1,530,569.89 = 599,807.66/x
  3. Step 3: Cross multiply
    1,109,105.28x = 1,530,569.89 × 599,807.66
  4. Step 4: Simplify right side
    1,109,105.28x = 918,047,544,187.36
  5. Step 5: Solve for x
    x = 918,047,544,187.36/1,109,105.28
  6. Step 6: Final answer
    x = 827,737.06

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Double scale
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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.