Home / 1,041,928.35-1,438,084.43-678,704.10

Finding the Fourth Proportional to 1,041,928.35, 1,438,084.43 and 678,704.10

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Solution

The fourth proportional to 1,041,928.35, 1,438,084.43 and 678,704.10 is: 936,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,928.35 : 1,438,084.43 = 678,704.10 : x
  2. Step 2: Convert to fraction form
    1,041,928.35/1,438,084.43 = 678,704.10/x
  3. Step 3: Cross multiply
    1,041,928.35x = 1,438,084.43 × 678,704.10
  4. Step 4: Simplify right side
    1,041,928.35x = 976,033,798,787.16
  5. Step 5: Solve for x
    x = 976,033,798,787.16/1,041,928.35
  6. Step 6: Final answer
    x = 936,757.12

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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.