Home / 933,792.42-1,285,920.10-811,228.84

Finding the Fourth Proportional to 933,792.42, 1,285,920.10 and 811,228.84

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Solution

The fourth proportional to 933,792.42, 1,285,920.10 and 811,228.84 is: 1,117,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,792.42 : 1,285,920.10 = 811,228.84 : x
  2. Step 2: Convert to fraction form
    933,792.42/1,285,920.10 = 811,228.84/x
  3. Step 3: Cross multiply
    933,792.42x = 1,285,920.10 × 811,228.84
  4. Step 4: Simplify right side
    933,792.42x = 1,043,175,460,569.94
  5. Step 5: Solve for x
    x = 1,043,175,460,569.94/933,792.42
  6. Step 6: Final answer
    x = 1,117,138.50

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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.