Home / 953,503.82-1,315,829.22-517,916.70

Finding the Fourth Proportional to 953,503.82, 1,315,829.22 and 517,916.70

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Solution

The fourth proportional to 953,503.82, 1,315,829.22 and 517,916.70 is: 714,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,503.82 : 1,315,829.22 = 517,916.70 : x
  2. Step 2: Convert to fraction form
    953,503.82/1,315,829.22 = 517,916.70/x
  3. Step 3: Cross multiply
    953,503.82x = 1,315,829.22 × 517,916.70
  4. Step 4: Simplify right side
    953,503.82x = 681,489,930,378.15
  5. Step 5: Solve for x
    x = 681,489,930,378.15/953,503.82
  6. Step 6: Final answer
    x = 714,721.76

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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.