Home / 1,113,298.62-1,669,979.08-393,538.60

Finding the Fourth Proportional to 1,113,298.62, 1,669,979.08 and 393,538.60

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Solution

The fourth proportional to 1,113,298.62, 1,669,979.08 and 393,538.60 is: 590,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,298.62 : 1,669,979.08 = 393,538.60 : x
  2. Step 2: Convert to fraction form
    1,113,298.62/1,669,979.08 = 393,538.60/x
  3. Step 3: Cross multiply
    1,113,298.62x = 1,669,979.08 × 393,538.60
  4. Step 4: Simplify right side
    1,113,298.62x = 657,201,229,172.49
  5. Step 5: Solve for x
    x = 657,201,229,172.49/1,113,298.62
  6. Step 6: Final answer
    x = 590,318.91

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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.