Home / 690,061.70-952,313.01-384,150.62

Finding the Fourth Proportional to 690,061.70, 952,313.01 and 384,150.62

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Solution

The fourth proportional to 690,061.70, 952,313.01 and 384,150.62 is: 530,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,061.70 : 952,313.01 = 384,150.62 : x
  2. Step 2: Convert to fraction form
    690,061.70/952,313.01 = 384,150.62/x
  3. Step 3: Cross multiply
    690,061.70x = 952,313.01 × 384,150.62
  4. Step 4: Simplify right side
    690,061.70x = 365,831,633,225.57
  5. Step 5: Solve for x
    x = 365,831,633,225.57/690,061.70
  6. Step 6: Final answer
    x = 530,143.37

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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.