Home / 1,118,162.37-1,684,712.29-1,011,682.81

Finding the Fourth Proportional to 1,118,162.37, 1,684,712.29 and 1,011,682.81

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Solution

The fourth proportional to 1,118,162.37, 1,684,712.29 and 1,011,682.81 is: 1,524,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,162.37 : 1,684,712.29 = 1,011,682.81 : x
  2. Step 2: Convert to fraction form
    1,118,162.37/1,684,712.29 = 1,011,682.81/x
  3. Step 3: Cross multiply
    1,118,162.37x = 1,684,712.29 × 1,011,682.81
  4. Step 4: Simplify right side
    1,118,162.37x = 1,704,394,463,588.74
  5. Step 5: Solve for x
    x = 1,704,394,463,588.74/1,118,162.37
  6. Step 6: Final answer
    x = 1,524,281.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.