Home / 1,016,127.21-1,402,257.50-557,245.02

Finding the Fourth Proportional to 1,016,127.21, 1,402,257.50 and 557,245.02

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Solution

The fourth proportional to 1,016,127.21, 1,402,257.50 and 557,245.02 is: 768,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,127.21 : 1,402,257.50 = 557,245.02 : x
  2. Step 2: Convert to fraction form
    1,016,127.21/1,402,257.50 = 557,245.02/x
  3. Step 3: Cross multiply
    1,016,127.21x = 1,402,257.50 × 557,245.02
  4. Step 4: Simplify right side
    1,016,127.21x = 781,401,003,739.61
  5. Step 5: Solve for x
    x = 781,401,003,739.61/1,016,127.21
  6. Step 6: Final answer
    x = 768,999.20

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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.