Home / 1,128,674.25-1,557,570.47-619,376.63

Finding the Fourth Proportional to 1,128,674.25, 1,557,570.47 and 619,376.63

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Solution

The fourth proportional to 1,128,674.25, 1,557,570.47 and 619,376.63 is: 854,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,674.25 : 1,557,570.47 = 619,376.63 : x
  2. Step 2: Convert to fraction form
    1,128,674.25/1,557,570.47 = 619,376.63/x
  3. Step 3: Cross multiply
    1,128,674.25x = 1,557,570.47 × 619,376.63
  4. Step 4: Simplify right side
    1,128,674.25x = 964,722,737,811.38
  5. Step 5: Solve for x
    x = 964,722,737,811.38/1,128,674.25
  6. Step 6: Final answer
    x = 854,739.74

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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.