Home / 705,681.21-1,058,522.64-193,350.68

Finding the Fourth Proportional to 705,681.21, 1,058,522.64 and 193,350.68

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Solution

The fourth proportional to 705,681.21, 1,058,522.64 and 193,350.68 is: 290,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,681.21 : 1,058,522.64 = 193,350.68 : x
  2. Step 2: Convert to fraction form
    705,681.21/1,058,522.64 = 193,350.68/x
  3. Step 3: Cross multiply
    705,681.21x = 1,058,522.64 × 193,350.68
  4. Step 4: Simplify right side
    705,681.21x = 204,666,074,160.64
  5. Step 5: Solve for x
    x = 204,666,074,160.64/705,681.21
  6. Step 6: Final answer
    x = 290,026.25

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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.