Home / 918,928.46-1,267,935.44-536,881.44

Finding the Fourth Proportional to 918,928.46, 1,267,935.44 and 536,881.44

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Solution

The fourth proportional to 918,928.46, 1,267,935.44 and 536,881.44 is: 740,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,928.46 : 1,267,935.44 = 536,881.44 : x
  2. Step 2: Convert to fraction form
    918,928.46/1,267,935.44 = 536,881.44/x
  3. Step 3: Cross multiply
    918,928.46x = 1,267,935.44 × 536,881.44
  4. Step 4: Simplify right side
    918,928.46x = 680,731,004,854.23
  5. Step 5: Solve for x
    x = 680,731,004,854.23/918,928.46
  6. Step 6: Final answer
    x = 740,787.81

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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.