Home / 873,967.52-1,206,190.14-492,068.72

Finding the Fourth Proportional to 873,967.52, 1,206,190.14 and 492,068.72

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Solution

The fourth proportional to 873,967.52, 1,206,190.14 and 492,068.72 is: 679,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,967.52 : 1,206,190.14 = 492,068.72 : x
  2. Step 2: Convert to fraction form
    873,967.52/1,206,190.14 = 492,068.72/x
  3. Step 3: Cross multiply
    873,967.52x = 1,206,190.14 × 492,068.72
  4. Step 4: Simplify right side
    873,967.52x = 593,528,439,436.64
  5. Step 5: Solve for x
    x = 593,528,439,436.64/873,967.52
  6. Step 6: Final answer
    x = 679,119.56

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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.