Home / 435,186.28-651,496.38-424,455.40

Finding the Fourth Proportional to 435,186.28, 651,496.38 and 424,455.40

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Solution

The fourth proportional to 435,186.28, 651,496.38 and 424,455.40 is: 635,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,186.28 : 651,496.38 = 424,455.40 : x
  2. Step 2: Convert to fraction form
    435,186.28/651,496.38 = 424,455.40/x
  3. Step 3: Cross multiply
    435,186.28x = 651,496.38 × 424,455.40
  4. Step 4: Simplify right side
    435,186.28x = 276,531,156,571.45
  5. Step 5: Solve for x
    x = 276,531,156,571.45/435,186.28
  6. Step 6: Final answer
    x = 635,431.70

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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.