Home / 1,557,727.60-2,335,669.80-811,231.60

Finding the Fourth Proportional to 1,557,727.60, 2,335,669.80 and 811,231.60

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Solution

The fourth proportional to 1,557,727.60, 2,335,669.80 and 811,231.60 is: 1,216,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,727.60 : 2,335,669.80 = 811,231.60 : x
  2. Step 2: Convert to fraction form
    1,557,727.60/2,335,669.80 = 811,231.60/x
  3. Step 3: Cross multiply
    1,557,727.60x = 2,335,669.80 × 811,231.60
  4. Step 4: Simplify right side
    1,557,727.60x = 1,894,769,148,925.68
  5. Step 5: Solve for x
    x = 1,894,769,148,925.68/1,557,727.60
  6. Step 6: Final answer
    x = 1,216,367.45

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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.