Home / 1,317,337.92-1,817,928.72-713,725.92

Finding the Fourth Proportional to 1,317,337.92, 1,817,928.72 and 713,725.92

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Solution

The fourth proportional to 1,317,337.92, 1,817,928.72 and 713,725.92 is: 984,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,337.92 : 1,817,928.72 = 713,725.92 : x
  2. Step 2: Convert to fraction form
    1,317,337.92/1,817,928.72 = 713,725.92/x
  3. Step 3: Cross multiply
    1,317,337.92x = 1,817,928.72 × 713,725.92
  4. Step 4: Simplify right side
    1,317,337.92x = 1,297,502,848,176.42
  5. Step 5: Solve for x
    x = 1,297,502,848,176.42/1,317,337.92
  6. Step 6: Final answer
    x = 984,943.06

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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.