Home / 930,645.54-1,284,091.63-543,285.16

Finding the Fourth Proportional to 930,645.54, 1,284,091.63 and 543,285.16

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Solution

The fourth proportional to 930,645.54, 1,284,091.63 and 543,285.16 is: 749,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,645.54 : 1,284,091.63 = 543,285.16 : x
  2. Step 2: Convert to fraction form
    930,645.54/1,284,091.63 = 543,285.16/x
  3. Step 3: Cross multiply
    930,645.54x = 1,284,091.63 × 543,285.16
  4. Step 4: Simplify right side
    930,645.54x = 697,627,922,090.77
  5. Step 5: Solve for x
    x = 697,627,922,090.77/930,645.54
  6. Step 6: Final answer
    x = 749,617.22

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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.