Home / 1,557,098.88-2,335,986.83-477,615.70

Finding the Fourth Proportional to 1,557,098.88, 2,335,986.83 and 477,615.70

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Solution

The fourth proportional to 1,557,098.88, 2,335,986.83 and 477,615.70 is: 716,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,098.88 : 2,335,986.83 = 477,615.70 : x
  2. Step 2: Convert to fraction form
    1,557,098.88/2,335,986.83 = 477,615.70/x
  3. Step 3: Cross multiply
    1,557,098.88x = 2,335,986.83 × 477,615.70
  4. Step 4: Simplify right side
    1,557,098.88x = 1,115,703,985,001.23
  5. Step 5: Solve for x
    x = 1,115,703,985,001.23/1,557,098.88
  6. Step 6: Final answer
    x = 716,527.38

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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.