Home / 953,137.56-1,315,290.43-517,537.89

Finding the Fourth Proportional to 953,137.56, 1,315,290.43 and 517,537.89

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Solution

The fourth proportional to 953,137.56, 1,315,290.43 and 517,537.89 is: 714,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,137.56 : 1,315,290.43 = 517,537.89 : x
  2. Step 2: Convert to fraction form
    953,137.56/1,315,290.43 = 517,537.89/x
  3. Step 3: Cross multiply
    953,137.56x = 1,315,290.43 × 517,537.89
  4. Step 4: Simplify right side
    953,137.56x = 680,712,633,879.39
  5. Step 5: Solve for x
    x = 680,712,633,879.39/953,137.56
  6. Step 6: Final answer
    x = 714,180.89

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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.