Home / 769,696.16-1,062,182.24-430,164.40

Finding the Fourth Proportional to 769,696.16, 1,062,182.24 and 430,164.40

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Solution

The fourth proportional to 769,696.16, 1,062,182.24 and 430,164.40 is: 593,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,696.16 : 1,062,182.24 = 430,164.40 : x
  2. Step 2: Convert to fraction form
    769,696.16/1,062,182.24 = 430,164.40/x
  3. Step 3: Cross multiply
    769,696.16x = 1,062,182.24 × 430,164.40
  4. Step 4: Simplify right side
    769,696.16x = 456,912,985,960.26
  5. Step 5: Solve for x
    x = 456,912,985,960.26/769,696.16
  6. Step 6: Final answer
    x = 593,627.73

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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.