Home / 1,315,778.14-1,973,737.68-417,288.16

Finding the Fourth Proportional to 1,315,778.14, 1,973,737.68 and 417,288.16

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Solution

The fourth proportional to 1,315,778.14, 1,973,737.68 and 417,288.16 is: 625,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,778.14 : 1,973,737.68 = 417,288.16 : x
  2. Step 2: Convert to fraction form
    1,315,778.14/1,973,737.68 = 417,288.16/x
  3. Step 3: Cross multiply
    1,315,778.14x = 1,973,737.68 × 417,288.16
  4. Step 4: Simplify right side
    1,315,778.14x = 823,617,364,809.87
  5. Step 5: Solve for x
    x = 823,617,364,809.87/1,315,778.14
  6. Step 6: Final answer
    x = 625,954.59

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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.