Home / 1,554,904.58-2,145,681.56-857,162.88

Finding the Fourth Proportional to 1,554,904.58, 2,145,681.56 and 857,162.88

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Solution

The fourth proportional to 1,554,904.58, 2,145,681.56 and 857,162.88 is: 1,182,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,904.58 : 2,145,681.56 = 857,162.88 : x
  2. Step 2: Convert to fraction form
    1,554,904.58/2,145,681.56 = 857,162.88/x
  3. Step 3: Cross multiply
    1,554,904.58x = 2,145,681.56 × 857,162.88
  4. Step 4: Simplify right side
    1,554,904.58x = 1,839,198,587,675.40
  5. Step 5: Solve for x
    x = 1,839,198,587,675.40/1,554,904.58
  6. Step 6: Final answer
    x = 1,182,836.95

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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.