Home / 1,242,137.34-1,714,156.72-698,268.36

Finding the Fourth Proportional to 1,242,137.34, 1,714,156.72 and 698,268.36

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Solution

The fourth proportional to 1,242,137.34, 1,714,156.72 and 698,268.36 is: 963,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,137.34 : 1,714,156.72 = 698,268.36 : x
  2. Step 2: Convert to fraction form
    1,242,137.34/1,714,156.72 = 698,268.36/x
  3. Step 3: Cross multiply
    1,242,137.34x = 1,714,156.72 × 698,268.36
  4. Step 4: Simplify right side
    1,242,137.34x = 1,196,941,408,303.68
  5. Step 5: Solve for x
    x = 1,196,941,408,303.68/1,242,137.34
  6. Step 6: Final answer
    x = 963,614.39

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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.