Home / 1,217,132.24-1,679,513.28-673,181.60

Finding the Fourth Proportional to 1,217,132.24, 1,679,513.28 and 673,181.60

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Solution

The fourth proportional to 1,217,132.24, 1,679,513.28 and 673,181.60 is: 928,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,132.24 : 1,679,513.28 = 673,181.60 : x
  2. Step 2: Convert to fraction form
    1,217,132.24/1,679,513.28 = 673,181.60/x
  3. Step 3: Cross multiply
    1,217,132.24x = 1,679,513.28 × 673,181.60
  4. Step 4: Simplify right side
    1,217,132.24x = 1,130,617,437,051.65
  5. Step 5: Solve for x
    x = 1,130,617,437,051.65/1,217,132.24
  6. Step 6: Final answer
    x = 928,919.14

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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.