Home / 460,580.64-690,895.68-145,062.24

Finding the Fourth Proportional to 460,580.64, 690,895.68 and 145,062.24

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Solution

The fourth proportional to 460,580.64, 690,895.68 and 145,062.24 is: 217,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,580.64 : 690,895.68 = 145,062.24 : x
  2. Step 2: Convert to fraction form
    460,580.64/690,895.68 = 145,062.24/x
  3. Step 3: Cross multiply
    460,580.64x = 690,895.68 × 145,062.24
  4. Step 4: Simplify right side
    460,580.64x = 100,222,874,947.12
  5. Step 5: Solve for x
    x = 100,222,874,947.12/460,580.64
  6. Step 6: Final answer
    x = 217,601.15

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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.