Home / 1,142,590.92-1,575,687.78-683,631.96

Finding the Fourth Proportional to 1,142,590.92, 1,575,687.78 and 683,631.96

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Solution

The fourth proportional to 1,142,590.92, 1,575,687.78 and 683,631.96 is: 942,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,590.92 : 1,575,687.78 = 683,631.96 : x
  2. Step 2: Convert to fraction form
    1,142,590.92/1,575,687.78 = 683,631.96/x
  3. Step 3: Cross multiply
    1,142,590.92x = 1,575,687.78 × 683,631.96
  4. Step 4: Simplify right side
    1,142,590.92x = 1,077,190,525,389.45
  5. Step 5: Solve for x
    x = 1,077,190,525,389.45/1,142,590.92
  6. Step 6: Final answer
    x = 942,761.32

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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.