Home / 1,134,636.30-1,699,621.65-780,050.70

Finding the Fourth Proportional to 1,134,636.30, 1,699,621.65 and 780,050.70

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Solution

The fourth proportional to 1,134,636.30, 1,699,621.65 and 780,050.70 is: 1,168,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,636.30 : 1,699,621.65 = 780,050.70 : x
  2. Step 2: Convert to fraction form
    1,134,636.30/1,699,621.65 = 780,050.70/x
  3. Step 3: Cross multiply
    1,134,636.30x = 1,699,621.65 × 780,050.70
  4. Step 4: Simplify right side
    1,134,636.30x = 1,325,791,057,817.65
  5. Step 5: Solve for x
    x = 1,325,791,057,817.65/1,134,636.30
  6. Step 6: Final answer
    x = 1,168,472.27

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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.