Home / 1,224,784.32-1,690,208.91-673,535.57

Finding the Fourth Proportional to 1,224,784.32, 1,690,208.91 and 673,535.57

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Solution

The fourth proportional to 1,224,784.32, 1,690,208.91 and 673,535.57 is: 929,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,784.32 : 1,690,208.91 = 673,535.57 : x
  2. Step 2: Convert to fraction form
    1,224,784.32/1,690,208.91 = 673,535.57/x
  3. Step 3: Cross multiply
    1,224,784.32x = 1,690,208.91 × 673,535.57
  4. Step 4: Simplify right side
    1,224,784.32x = 1,138,415,813,164.88
  5. Step 5: Solve for x
    x = 1,138,415,813,164.88/1,224,784.32
  6. Step 6: Final answer
    x = 929,482.68

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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.