Home / 1,124,405.96-1,685,433.90-492,787.40

Finding the Fourth Proportional to 1,124,405.96, 1,685,433.90 and 492,787.40

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Solution

The fourth proportional to 1,124,405.96, 1,685,433.90 and 492,787.40 is: 738,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,405.96 : 1,685,433.90 = 492,787.40 : x
  2. Step 2: Convert to fraction form
    1,124,405.96/1,685,433.90 = 492,787.40/x
  3. Step 3: Cross multiply
    1,124,405.96x = 1,685,433.90 × 492,787.40
  4. Step 4: Simplify right side
    1,124,405.96x = 830,560,589,452.86
  5. Step 5: Solve for x
    x = 830,560,589,452.86/1,124,405.96
  6. Step 6: Final answer
    x = 738,666.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.