Home / 953,571.40-1,315,913.99-517,986.61

Finding the Fourth Proportional to 953,571.40, 1,315,913.99 and 517,986.61

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Solution

The fourth proportional to 953,571.40, 1,315,913.99 and 517,986.61 is: 714,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,571.40 : 1,315,913.99 = 517,986.61 : x
  2. Step 2: Convert to fraction form
    953,571.40/1,315,913.99 = 517,986.61/x
  3. Step 3: Cross multiply
    953,571.40x = 1,315,913.99 × 517,986.61
  4. Step 4: Simplify right side
    953,571.40x = 681,625,820,851.96
  5. Step 5: Solve for x
    x = 681,625,820,851.96/953,571.40
  6. Step 6: Final answer
    x = 714,813.62

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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.