Home / 1,147,215.92-1,583,356.13-664,047.48

Finding the Fourth Proportional to 1,147,215.92, 1,583,356.13 and 664,047.48

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Solution

The fourth proportional to 1,147,215.92, 1,583,356.13 and 664,047.48 is: 916,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,215.92 : 1,583,356.13 = 664,047.48 : x
  2. Step 2: Convert to fraction form
    1,147,215.92/1,583,356.13 = 664,047.48/x
  3. Step 3: Cross multiply
    1,147,215.92x = 1,583,356.13 × 664,047.48
  4. Step 4: Simplify right side
    1,147,215.92x = 1,051,423,644,748.82
  5. Step 5: Solve for x
    x = 1,051,423,644,748.82/1,147,215.92
  6. Step 6: Final answer
    x = 916,500.23

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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.