Home / 747,078.54-1,114,791-666,563.02

Finding the Fourth Proportional to 747,078.54, 1,114,791 and 666,563.02

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Solution

The fourth proportional to 747,078.54, 1,114,791 and 666,563.02 is: 994,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,078.54 : 1,114,791 = 666,563.02 : x
  2. Step 2: Convert to fraction form
    747,078.54/1,114,791 = 666,563.02/x
  3. Step 3: Cross multiply
    747,078.54x = 1,114,791 × 666,563.02
  4. Step 4: Simplify right side
    747,078.54x = 743,078,455,628.82
  5. Step 5: Solve for x
    x = 743,078,455,628.82/747,078.54
  6. Step 6: Final answer
    x = 994,645.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.