Home / 705,829.10-1,058,743.65-659,173.10

Finding the Fourth Proportional to 705,829.10, 1,058,743.65 and 659,173.10

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Solution

The fourth proportional to 705,829.10, 1,058,743.65 and 659,173.10 is: 988,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,829.10 : 1,058,743.65 = 659,173.10 : x
  2. Step 2: Convert to fraction form
    705,829.10/1,058,743.65 = 659,173.10/x
  3. Step 3: Cross multiply
    705,829.10x = 1,058,743.65 × 659,173.10
  4. Step 4: Simplify right side
    705,829.10x = 697,895,333,875.82
  5. Step 5: Solve for x
    x = 697,895,333,875.82/705,829.10
  6. Step 6: Final answer
    x = 988,759.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.