Home / 668,741.16-1,003,187.85-242,477.73

Finding the Fourth Proportional to 668,741.16, 1,003,187.85 and 242,477.73

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Solution

The fourth proportional to 668,741.16, 1,003,187.85 and 242,477.73 is: 363,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,741.16 : 1,003,187.85 = 242,477.73 : x
  2. Step 2: Convert to fraction form
    668,741.16/1,003,187.85 = 242,477.73/x
  3. Step 3: Cross multiply
    668,741.16x = 1,003,187.85 × 242,477.73
  4. Step 4: Simplify right side
    668,741.16x = 243,250,712,631.58
  5. Step 5: Solve for x
    x = 243,250,712,631.58/668,741.16
  6. Step 6: Final answer
    x = 363,744.19

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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.