Home / 1,212,460.42-1,673,156.98-668,619.14

Finding the Fourth Proportional to 1,212,460.42, 1,673,156.98 and 668,619.14

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Solution

The fourth proportional to 1,212,460.42, 1,673,156.98 and 668,619.14 is: 922,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,460.42 : 1,673,156.98 = 668,619.14 : x
  2. Step 2: Convert to fraction form
    1,212,460.42/1,673,156.98 = 668,619.14/x
  3. Step 3: Cross multiply
    1,212,460.42x = 1,673,156.98 × 668,619.14
  4. Step 4: Simplify right side
    1,212,460.42x = 1,118,704,781,052.60
  5. Step 5: Solve for x
    x = 1,118,704,781,052.60/1,212,460.42
  6. Step 6: Final answer
    x = 922,673.24

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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.