Home / 1,147,216.92-1,583,357.51-664,048.48

Finding the Fourth Proportional to 1,147,216.92, 1,583,357.51 and 664,048.48

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Solution

The fourth proportional to 1,147,216.92, 1,583,357.51 and 664,048.48 is: 916,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,216.92 : 1,583,357.51 = 664,048.48 : x
  2. Step 2: Convert to fraction form
    1,147,216.92/1,583,357.51 = 664,048.48/x
  3. Step 3: Cross multiply
    1,147,216.92x = 1,583,357.51 × 664,048.48
  4. Step 4: Simplify right side
    1,147,216.92x = 1,051,426,147,812.08
  5. Step 5: Solve for x
    x = 1,051,426,147,812.08/1,147,216.92
  6. Step 6: Final answer
    x = 916,501.60

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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.