Home / 1,235,333.55-1,853,138.57-393,693.87

Finding the Fourth Proportional to 1,235,333.55, 1,853,138.57 and 393,693.87

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Solution

The fourth proportional to 1,235,333.55, 1,853,138.57 and 393,693.87 is: 590,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,333.55 : 1,853,138.57 = 393,693.87 : x
  2. Step 2: Convert to fraction form
    1,235,333.55/1,853,138.57 = 393,693.87/x
  3. Step 3: Cross multiply
    1,235,333.55x = 1,853,138.57 × 393,693.87
  4. Step 4: Simplify right side
    1,235,333.55x = 729,569,293,301.10
  5. Step 5: Solve for x
    x = 729,569,293,301.10/1,235,333.55
  6. Step 6: Final answer
    x = 590,584.86

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1.5x scale

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.