Home / 1,071,359.61-1,478,518.89-587,942.05

Finding the Fourth Proportional to 1,071,359.61, 1,478,518.89 and 587,942.05

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Solution

The fourth proportional to 1,071,359.61, 1,478,518.89 and 587,942.05 is: 811,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,359.61 : 1,478,518.89 = 587,942.05 : x
  2. Step 2: Convert to fraction form
    1,071,359.61/1,478,518.89 = 587,942.05/x
  3. Step 3: Cross multiply
    1,071,359.61x = 1,478,518.89 × 587,942.05
  4. Step 4: Simplify right side
    1,071,359.61x = 869,283,427,150.33
  5. Step 5: Solve for x
    x = 869,283,427,150.33/1,071,359.61
  6. Step 6: Final answer
    x = 811,383.42

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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.