Home / 927,002.80-1,390,504.20-727,937.20

Finding the Fourth Proportional to 927,002.80, 1,390,504.20 and 727,937.20

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Solution

The fourth proportional to 927,002.80, 1,390,504.20 and 727,937.20 is: 1,091,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,002.80 : 1,390,504.20 = 727,937.20 : x
  2. Step 2: Convert to fraction form
    927,002.80/1,390,504.20 = 727,937.20/x
  3. Step 3: Cross multiply
    927,002.80x = 1,390,504.20 × 727,937.20
  4. Step 4: Simplify right side
    927,002.80x = 1,012,199,733,936.24
  5. Step 5: Solve for x
    x = 1,012,199,733,936.24/927,002.80
  6. Step 6: Final answer
    x = 1,091,905.80

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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.