Home / 1,335,566.45-2,003,536.78-437,078.81

Finding the Fourth Proportional to 1,335,566.45, 2,003,536.78 and 437,078.81

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Solution

The fourth proportional to 1,335,566.45, 2,003,536.78 and 437,078.81 is: 655,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,566.45 : 2,003,536.78 = 437,078.81 : x
  2. Step 2: Convert to fraction form
    1,335,566.45/2,003,536.78 = 437,078.81/x
  3. Step 3: Cross multiply
    1,335,566.45x = 2,003,536.78 × 437,078.81
  4. Step 4: Simplify right side
    1,335,566.45x = 875,703,471,593.63
  5. Step 5: Solve for x
    x = 875,703,471,593.63/1,335,566.45
  6. Step 6: Final answer
    x = 655,679.45

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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.