Home / 1,242,314.21-1,714,497.18-691,133.77

Finding the Fourth Proportional to 1,242,314.21, 1,714,497.18 and 691,133.77

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Solution

The fourth proportional to 1,242,314.21, 1,714,497.18 and 691,133.77 is: 953,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,314.21 : 1,714,497.18 = 691,133.77 : x
  2. Step 2: Convert to fraction form
    1,242,314.21/1,714,497.18 = 691,133.77/x
  3. Step 3: Cross multiply
    1,242,314.21x = 1,714,497.18 × 691,133.77
  4. Step 4: Simplify right side
    1,242,314.21x = 1,184,946,893,462.72
  5. Step 5: Solve for x
    x = 1,184,946,893,462.72/1,242,314.21
  6. Step 6: Final answer
    x = 953,822.21

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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.