Home / 953,573.40-1,315,916.74-517,988.61

Finding the Fourth Proportional to 953,573.40, 1,315,916.74 and 517,988.61

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Solution

The fourth proportional to 953,573.40, 1,315,916.74 and 517,988.61 is: 714,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,573.40 : 1,315,916.74 = 517,988.61 : x
  2. Step 2: Convert to fraction form
    953,573.40/1,315,916.74 = 517,988.61/x
  3. Step 3: Cross multiply
    953,573.40x = 1,315,916.74 × 517,988.61
  4. Step 4: Simplify right side
    953,573.40x = 681,629,883,028.33
  5. Step 5: Solve for x
    x = 681,629,883,028.33/953,573.40
  6. Step 6: Final answer
    x = 714,816.38

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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.