Home / 690,069.36-952,285.44-384,145.18

Finding the Fourth Proportional to 690,069.36, 952,285.44 and 384,145.18

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Solution

The fourth proportional to 690,069.36, 952,285.44 and 384,145.18 is: 530,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,069.36 : 952,285.44 = 384,145.18 : x
  2. Step 2: Convert to fraction form
    690,069.36/952,285.44 = 384,145.18/x
  3. Step 3: Cross multiply
    690,069.36x = 952,285.44 × 384,145.18
  4. Step 4: Simplify right side
    690,069.36x = 365,815,861,760.18
  5. Step 5: Solve for x
    x = 365,815,861,760.18/690,069.36
  6. Step 6: Final answer
    x = 530,114.63

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1.5x scale

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.