Home / 1,692,485.61-2,539,148.61-839,957.37

Finding the Fourth Proportional to 1,692,485.61, 2,539,148.61 and 839,957.37

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Solution

The fourth proportional to 1,692,485.61, 2,539,148.61 and 839,957.37 is: 1,260,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,485.61 : 2,539,148.61 = 839,957.37 : x
  2. Step 2: Convert to fraction form
    1,692,485.61/2,539,148.61 = 839,957.37/x
  3. Step 3: Cross multiply
    1,692,485.61x = 2,539,148.61 × 839,957.37
  4. Step 4: Simplify right side
    1,692,485.61x = 2,132,776,588,494.76
  5. Step 5: Solve for x
    x = 2,132,776,588,494.76/1,692,485.61
  6. Step 6: Final answer
    x = 1,260,144.59

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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.