Home / 953,305.82-1,315,557.54-517,720.12

Finding the Fourth Proportional to 953,305.82, 1,315,557.54 and 517,720.12

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Solution

The fourth proportional to 953,305.82, 1,315,557.54 and 517,720.12 is: 714,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,305.82 : 1,315,557.54 = 517,720.12 : x
  2. Step 2: Convert to fraction form
    953,305.82/1,315,557.54 = 517,720.12/x
  3. Step 3: Cross multiply
    953,305.82x = 1,315,557.54 × 517,720.12
  4. Step 4: Simplify right side
    953,305.82x = 681,090,607,475.71
  5. Step 5: Solve for x
    x = 681,090,607,475.71/953,305.82
  6. Step 6: Final answer
    x = 714,451.33

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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.