Home / 1,557,342.72-2,335,999.57-492,384.89

Finding the Fourth Proportional to 1,557,342.72, 2,335,999.57 and 492,384.89

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Solution

The fourth proportional to 1,557,342.72, 2,335,999.57 and 492,384.89 is: 738,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,342.72 : 2,335,999.57 = 492,384.89 : x
  2. Step 2: Convert to fraction form
    1,557,342.72/2,335,999.57 = 492,384.89/x
  3. Step 3: Cross multiply
    1,557,342.72x = 2,335,999.57 × 492,384.89
  4. Step 4: Simplify right side
    1,557,342.72x = 1,150,210,895,923.53
  5. Step 5: Solve for x
    x = 1,150,210,895,923.53/1,557,342.72
  6. Step 6: Final answer
    x = 738,572.75

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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.